| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.26/src/oldtime.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>oldtime.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../chrono/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../chrono/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| <span id="750">750</span> |
| </pre><pre class="rust"><code><span class="comment">// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| </span><span class="doccomment">//! Temporal quantification |
| |
| </span><span class="kw">use </span>core::ops::{Add, Div, Mul, Neg, Sub}; |
| <span class="kw">use </span>core::time::Duration <span class="kw">as </span>StdDuration; |
| <span class="kw">use </span>core::{fmt, i64}; |
| <span class="attribute">#[cfg(any(feature = <span class="string">"std"</span>, test))] |
| </span><span class="kw">use </span>std::error::Error; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"rkyv"</span>)] |
| </span><span class="kw">use </span>rkyv::{Archive, Deserialize, Serialize}; |
| |
| <span class="doccomment">/// The number of nanoseconds in a microsecond. |
| </span><span class="kw">const </span>NANOS_PER_MICRO: i32 = <span class="number">1000</span>; |
| <span class="doccomment">/// The number of nanoseconds in a millisecond. |
| </span><span class="kw">const </span>NANOS_PER_MILLI: i32 = <span class="number">1000_000</span>; |
| <span class="doccomment">/// The number of nanoseconds in seconds. |
| </span><span class="kw">const </span>NANOS_PER_SEC: i32 = <span class="number">1_000_000_000</span>; |
| <span class="doccomment">/// The number of microseconds per second. |
| </span><span class="kw">const </span>MICROS_PER_SEC: i64 = <span class="number">1000_000</span>; |
| <span class="doccomment">/// The number of milliseconds per second. |
| </span><span class="kw">const </span>MILLIS_PER_SEC: i64 = <span class="number">1000</span>; |
| <span class="doccomment">/// The number of seconds in a minute. |
| </span><span class="kw">const </span>SECS_PER_MINUTE: i64 = <span class="number">60</span>; |
| <span class="doccomment">/// The number of seconds in an hour. |
| </span><span class="kw">const </span>SECS_PER_HOUR: i64 = <span class="number">3600</span>; |
| <span class="doccomment">/// The number of (non-leap) seconds in days. |
| </span><span class="kw">const </span>SECS_PER_DAY: i64 = <span class="number">86400</span>; |
| <span class="doccomment">/// The number of (non-leap) seconds in a week. |
| </span><span class="kw">const </span>SECS_PER_WEEK: i64 = <span class="number">604800</span>; |
| |
| <span class="macro">macro_rules! </span>try_opt { |
| (<span class="macro-nonterminal">$e</span>:expr) => { |
| <span class="kw">match </span><span class="macro-nonterminal">$e </span>{ |
| <span class="prelude-val">Some</span>(v) => v, |
| <span class="prelude-val">None </span>=> <span class="kw">return </span><span class="prelude-val">None</span>, |
| } |
| }; |
| } |
| |
| <span class="doccomment">/// ISO 8601 time duration with nanosecond precision. |
| /// |
| /// This also allows for the negative duration; see individual methods for details. |
| </span><span class="attribute">#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)] |
| #[cfg_attr(feature = <span class="string">"rkyv"</span>, derive(Archive, Deserialize, Serialize))] |
| </span><span class="kw">pub struct </span>Duration { |
| secs: i64, |
| nanos: i32, <span class="comment">// Always 0 <= nanos < NANOS_PER_SEC |
| </span>} |
| |
| <span class="doccomment">/// The minimum possible `Duration`: `i64::MIN` milliseconds. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>MIN: Duration = Duration { |
| secs: i64::MIN / MILLIS_PER_SEC - <span class="number">1</span>, |
| nanos: NANOS_PER_SEC + (i64::MIN % MILLIS_PER_SEC) <span class="kw">as </span>i32 * NANOS_PER_MILLI, |
| }; |
| |
| <span class="doccomment">/// The maximum possible `Duration`: `i64::MAX` milliseconds. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>MAX: Duration = Duration { |
| secs: i64::MAX / MILLIS_PER_SEC, |
| nanos: (i64::MAX % MILLIS_PER_SEC) <span class="kw">as </span>i32 * NANOS_PER_MILLI, |
| }; |
| |
| <span class="kw">impl </span>Duration { |
| <span class="doccomment">/// Makes a new `Duration` with given number of weeks. |
| /// Equivalent to `Duration::seconds(weeks * 7 * 24 * 60 * 60)` with overflow checks. |
| /// Panics when the duration is out of bounds. |
| </span><span class="attribute">#[inline] |
| #[must_use] |
| </span><span class="kw">pub fn </span>weeks(weeks: i64) -> Duration { |
| <span class="kw">let </span>secs = weeks.checked_mul(SECS_PER_WEEK).expect(<span class="string">"Duration::weeks out of bounds"</span>); |
| Duration::seconds(secs) |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of days. |
| /// Equivalent to `Duration::seconds(days * 24 * 60 * 60)` with overflow checks. |
| /// Panics when the duration is out of bounds. |
| </span><span class="attribute">#[inline] |
| #[must_use] |
| </span><span class="kw">pub fn </span>days(days: i64) -> Duration { |
| <span class="kw">let </span>secs = days.checked_mul(SECS_PER_DAY).expect(<span class="string">"Duration::days out of bounds"</span>); |
| Duration::seconds(secs) |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of hours. |
| /// Equivalent to `Duration::seconds(hours * 60 * 60)` with overflow checks. |
| /// Panics when the duration is out of bounds. |
| </span><span class="attribute">#[inline] |
| #[must_use] |
| </span><span class="kw">pub fn </span>hours(hours: i64) -> Duration { |
| <span class="kw">let </span>secs = hours.checked_mul(SECS_PER_HOUR).expect(<span class="string">"Duration::hours ouf of bounds"</span>); |
| Duration::seconds(secs) |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of minutes. |
| /// Equivalent to `Duration::seconds(minutes * 60)` with overflow checks. |
| /// Panics when the duration is out of bounds. |
| </span><span class="attribute">#[inline] |
| #[must_use] |
| </span><span class="kw">pub fn </span>minutes(minutes: i64) -> Duration { |
| <span class="kw">let </span>secs = minutes.checked_mul(SECS_PER_MINUTE).expect(<span class="string">"Duration::minutes out of bounds"</span>); |
| Duration::seconds(secs) |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of seconds. |
| /// Panics when the duration is more than `i64::MAX` seconds |
| /// or less than `i64::MIN` seconds. |
| </span><span class="attribute">#[inline] |
| #[must_use] |
| </span><span class="kw">pub fn </span>seconds(seconds: i64) -> Duration { |
| <span class="kw">let </span>d = Duration { secs: seconds, nanos: <span class="number">0 </span>}; |
| <span class="kw">if </span>d < MIN || d > MAX { |
| <span class="macro">panic!</span>(<span class="string">"Duration::seconds out of bounds"</span>); |
| } |
| d |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of milliseconds. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>milliseconds(milliseconds: i64) -> Duration { |
| <span class="kw">let </span>(secs, millis) = div_mod_floor_64(milliseconds, MILLIS_PER_SEC); |
| <span class="kw">let </span>nanos = millis <span class="kw">as </span>i32 * NANOS_PER_MILLI; |
| Duration { secs: secs, nanos: nanos } |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of microseconds. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>microseconds(microseconds: i64) -> Duration { |
| <span class="kw">let </span>(secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC); |
| <span class="kw">let </span>nanos = micros <span class="kw">as </span>i32 * NANOS_PER_MICRO; |
| Duration { secs: secs, nanos: nanos } |
| } |
| |
| <span class="doccomment">/// Makes a new `Duration` with given number of nanoseconds. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>nanoseconds(nanos: i64) -> Duration { |
| <span class="kw">let </span>(secs, nanos) = div_mod_floor_64(nanos, NANOS_PER_SEC <span class="kw">as </span>i64); |
| Duration { secs: secs, nanos: nanos <span class="kw">as </span>i32 } |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole weeks in the duration. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>num_weeks(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="self">self</span>.num_days() / <span class="number">7 |
| </span>} |
| |
| <span class="doccomment">/// Returns the total number of whole days in the duration. |
| </span><span class="kw">pub const fn </span>num_days(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="self">self</span>.num_seconds() / SECS_PER_DAY |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole hours in the duration. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>num_hours(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="self">self</span>.num_seconds() / SECS_PER_HOUR |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole minutes in the duration. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>num_minutes(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="self">self</span>.num_seconds() / SECS_PER_MINUTE |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole seconds in the duration. |
| </span><span class="kw">pub const fn </span>num_seconds(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="comment">// If secs is negative, nanos should be subtracted from the duration. |
| </span><span class="kw">if </span><span class="self">self</span>.secs < <span class="number">0 </span>&& <span class="self">self</span>.nanos > <span class="number">0 </span>{ |
| <span class="self">self</span>.secs + <span class="number">1 |
| </span>} <span class="kw">else </span>{ |
| <span class="self">self</span>.secs |
| } |
| } |
| |
| <span class="doccomment">/// Returns the number of nanoseconds such that |
| /// `nanos_mod_sec() + num_seconds() * NANOS_PER_SEC` is the total number of |
| /// nanoseconds in the duration. |
| </span><span class="kw">const fn </span>nanos_mod_sec(<span class="kw-2">&</span><span class="self">self</span>) -> i32 { |
| <span class="kw">if </span><span class="self">self</span>.secs < <span class="number">0 </span>&& <span class="self">self</span>.nanos > <span class="number">0 </span>{ |
| <span class="self">self</span>.nanos - NANOS_PER_SEC |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.nanos |
| } |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole milliseconds in the duration, |
| </span><span class="kw">pub const fn </span>num_milliseconds(<span class="kw-2">&</span><span class="self">self</span>) -> i64 { |
| <span class="comment">// A proper Duration will not overflow, because MIN and MAX are defined |
| // such that the range is exactly i64 milliseconds. |
| </span><span class="kw">let </span>secs_part = <span class="self">self</span>.num_seconds() * MILLIS_PER_SEC; |
| <span class="kw">let </span>nanos_part = <span class="self">self</span>.nanos_mod_sec() / NANOS_PER_MILLI; |
| secs_part + nanos_part <span class="kw">as </span>i64 |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole microseconds in the duration, |
| /// or `None` on overflow (exceeding 2^63 microseconds in either direction). |
| </span><span class="kw">pub const fn </span>num_microseconds(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><i64> { |
| <span class="kw">let </span>secs_part = <span class="macro">try_opt!</span>(<span class="self">self</span>.num_seconds().checked_mul(MICROS_PER_SEC)); |
| <span class="kw">let </span>nanos_part = <span class="self">self</span>.nanos_mod_sec() / NANOS_PER_MICRO; |
| secs_part.checked_add(nanos_part <span class="kw">as </span>i64) |
| } |
| |
| <span class="doccomment">/// Returns the total number of whole nanoseconds in the duration, |
| /// or `None` on overflow (exceeding 2^63 nanoseconds in either direction). |
| </span><span class="kw">pub const fn </span>num_nanoseconds(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><i64> { |
| <span class="kw">let </span>secs_part = <span class="macro">try_opt!</span>(<span class="self">self</span>.num_seconds().checked_mul(NANOS_PER_SEC <span class="kw">as </span>i64)); |
| <span class="kw">let </span>nanos_part = <span class="self">self</span>.nanos_mod_sec(); |
| secs_part.checked_add(nanos_part <span class="kw">as </span>i64) |
| } |
| |
| <span class="doccomment">/// Add two durations, returning `None` if overflow occurred. |
| </span><span class="attribute">#[must_use] |
| </span><span class="kw">pub fn </span>checked_add(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span>Duration) -> <span class="prelude-ty">Option</span><Duration> { |
| <span class="kw">let </span><span class="kw-2">mut </span>secs = <span class="macro">try_opt!</span>(<span class="self">self</span>.secs.checked_add(rhs.secs)); |
| <span class="kw">let </span><span class="kw-2">mut </span>nanos = <span class="self">self</span>.nanos + rhs.nanos; |
| <span class="kw">if </span>nanos >= NANOS_PER_SEC { |
| nanos -= NANOS_PER_SEC; |
| secs = <span class="macro">try_opt!</span>(secs.checked_add(<span class="number">1</span>)); |
| } |
| <span class="kw">let </span>d = Duration { secs: secs, nanos: nanos }; |
| <span class="comment">// Even if d is within the bounds of i64 seconds, |
| // it might still overflow i64 milliseconds. |
| </span><span class="kw">if </span>d < MIN || d > MAX { |
| <span class="prelude-val">None |
| </span>} <span class="kw">else </span>{ |
| <span class="prelude-val">Some</span>(d) |
| } |
| } |
| |
| <span class="doccomment">/// Subtract two durations, returning `None` if overflow occurred. |
| </span><span class="attribute">#[must_use] |
| </span><span class="kw">pub fn </span>checked_sub(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span>Duration) -> <span class="prelude-ty">Option</span><Duration> { |
| <span class="kw">let </span><span class="kw-2">mut </span>secs = <span class="macro">try_opt!</span>(<span class="self">self</span>.secs.checked_sub(rhs.secs)); |
| <span class="kw">let </span><span class="kw-2">mut </span>nanos = <span class="self">self</span>.nanos - rhs.nanos; |
| <span class="kw">if </span>nanos < <span class="number">0 </span>{ |
| nanos += NANOS_PER_SEC; |
| secs = <span class="macro">try_opt!</span>(secs.checked_sub(<span class="number">1</span>)); |
| } |
| <span class="kw">let </span>d = Duration { secs: secs, nanos: nanos }; |
| <span class="comment">// Even if d is within the bounds of i64 seconds, |
| // it might still overflow i64 milliseconds. |
| </span><span class="kw">if </span>d < MIN || d > MAX { |
| <span class="prelude-val">None |
| </span>} <span class="kw">else </span>{ |
| <span class="prelude-val">Some</span>(d) |
| } |
| } |
| |
| <span class="doccomment">/// Returns the duration as an absolute (non-negative) value. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>abs(<span class="kw-2">&</span><span class="self">self</span>) -> Duration { |
| <span class="kw">if </span><span class="self">self</span>.secs < <span class="number">0 </span>&& <span class="self">self</span>.nanos != <span class="number">0 </span>{ |
| Duration { secs: (<span class="self">self</span>.secs + <span class="number">1</span>).abs(), nanos: NANOS_PER_SEC - <span class="self">self</span>.nanos } |
| } <span class="kw">else </span>{ |
| Duration { secs: <span class="self">self</span>.secs.abs(), nanos: <span class="self">self</span>.nanos } |
| } |
| } |
| |
| <span class="doccomment">/// The minimum possible `Duration`: `i64::MIN` milliseconds. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>min_value() -> Duration { |
| MIN |
| } |
| |
| <span class="doccomment">/// The maximum possible `Duration`: `i64::MAX` milliseconds. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>max_value() -> Duration { |
| MAX |
| } |
| |
| <span class="doccomment">/// A duration where the stored seconds and nanoseconds are equal to zero. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>zero() -> Duration { |
| Duration { secs: <span class="number">0</span>, nanos: <span class="number">0 </span>} |
| } |
| |
| <span class="doccomment">/// Returns `true` if the duration equals `Duration::zero()`. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub const fn </span>is_zero(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.secs == <span class="number">0 </span>&& <span class="self">self</span>.nanos == <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Creates a `time::Duration` object from `std::time::Duration` |
| /// |
| /// This function errors when original duration is larger than the maximum |
| /// value supported for this type. |
| </span><span class="kw">pub fn </span>from_std(duration: StdDuration) -> <span class="prelude-ty">Result</span><Duration, OutOfRangeError> { |
| <span class="comment">// We need to check secs as u64 before coercing to i64 |
| </span><span class="kw">if </span>duration.as_secs() > MAX.secs <span class="kw">as </span>u64 { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(OutOfRangeError(())); |
| } |
| <span class="kw">let </span>d = Duration { secs: duration.as_secs() <span class="kw">as </span>i64, nanos: duration.subsec_nanos() <span class="kw">as </span>i32 }; |
| <span class="kw">if </span>d > MAX { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(OutOfRangeError(())); |
| } |
| <span class="prelude-val">Ok</span>(d) |
| } |
| |
| <span class="doccomment">/// Creates a `std::time::Duration` object from `time::Duration` |
| /// |
| /// This function errors when duration is less than zero. As standard |
| /// library implementation is limited to non-negative values. |
| </span><span class="kw">pub fn </span>to_std(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><StdDuration, OutOfRangeError> { |
| <span class="kw">if </span><span class="self">self</span>.secs < <span class="number">0 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(OutOfRangeError(())); |
| } |
| <span class="prelude-val">Ok</span>(StdDuration::new(<span class="self">self</span>.secs <span class="kw">as </span>u64, <span class="self">self</span>.nanos <span class="kw">as </span>u32)) |
| } |
| } |
| |
| <span class="kw">impl </span>Neg <span class="kw">for </span>Duration { |
| <span class="kw">type </span>Output = Duration; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>neg(<span class="self">self</span>) -> Duration { |
| <span class="kw">if </span><span class="self">self</span>.nanos == <span class="number">0 </span>{ |
| Duration { secs: -<span class="self">self</span>.secs, nanos: <span class="number">0 </span>} |
| } <span class="kw">else </span>{ |
| Duration { secs: -<span class="self">self</span>.secs - <span class="number">1</span>, nanos: NANOS_PER_SEC - <span class="self">self</span>.nanos } |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Add <span class="kw">for </span>Duration { |
| <span class="kw">type </span>Output = Duration; |
| |
| <span class="kw">fn </span>add(<span class="self">self</span>, rhs: Duration) -> Duration { |
| <span class="kw">let </span><span class="kw-2">mut </span>secs = <span class="self">self</span>.secs + rhs.secs; |
| <span class="kw">let </span><span class="kw-2">mut </span>nanos = <span class="self">self</span>.nanos + rhs.nanos; |
| <span class="kw">if </span>nanos >= NANOS_PER_SEC { |
| nanos -= NANOS_PER_SEC; |
| secs += <span class="number">1</span>; |
| } |
| Duration { secs: secs, nanos: nanos } |
| } |
| } |
| |
| <span class="kw">impl </span>Sub <span class="kw">for </span>Duration { |
| <span class="kw">type </span>Output = Duration; |
| |
| <span class="kw">fn </span>sub(<span class="self">self</span>, rhs: Duration) -> Duration { |
| <span class="kw">let </span><span class="kw-2">mut </span>secs = <span class="self">self</span>.secs - rhs.secs; |
| <span class="kw">let </span><span class="kw-2">mut </span>nanos = <span class="self">self</span>.nanos - rhs.nanos; |
| <span class="kw">if </span>nanos < <span class="number">0 </span>{ |
| nanos += NANOS_PER_SEC; |
| secs -= <span class="number">1</span>; |
| } |
| Duration { secs: secs, nanos: nanos } |
| } |
| } |
| |
| <span class="kw">impl </span>Mul<i32> <span class="kw">for </span>Duration { |
| <span class="kw">type </span>Output = Duration; |
| |
| <span class="kw">fn </span>mul(<span class="self">self</span>, rhs: i32) -> Duration { |
| <span class="comment">// Multiply nanoseconds as i64, because it cannot overflow that way. |
| </span><span class="kw">let </span>total_nanos = <span class="self">self</span>.nanos <span class="kw">as </span>i64 * rhs <span class="kw">as </span>i64; |
| <span class="kw">let </span>(extra_secs, nanos) = div_mod_floor_64(total_nanos, NANOS_PER_SEC <span class="kw">as </span>i64); |
| <span class="kw">let </span>secs = <span class="self">self</span>.secs * rhs <span class="kw">as </span>i64 + extra_secs; |
| Duration { secs: secs, nanos: nanos <span class="kw">as </span>i32 } |
| } |
| } |
| |
| <span class="kw">impl </span>Div<i32> <span class="kw">for </span>Duration { |
| <span class="kw">type </span>Output = Duration; |
| |
| <span class="kw">fn </span>div(<span class="self">self</span>, rhs: i32) -> Duration { |
| <span class="kw">let </span><span class="kw-2">mut </span>secs = <span class="self">self</span>.secs / rhs <span class="kw">as </span>i64; |
| <span class="kw">let </span>carry = <span class="self">self</span>.secs - secs * rhs <span class="kw">as </span>i64; |
| <span class="kw">let </span>extra_nanos = carry * NANOS_PER_SEC <span class="kw">as </span>i64 / rhs <span class="kw">as </span>i64; |
| <span class="kw">let </span><span class="kw-2">mut </span>nanos = <span class="self">self</span>.nanos / rhs + extra_nanos <span class="kw">as </span>i32; |
| <span class="kw">if </span>nanos >= NANOS_PER_SEC { |
| nanos -= NANOS_PER_SEC; |
| secs += <span class="number">1</span>; |
| } |
| <span class="kw">if </span>nanos < <span class="number">0 </span>{ |
| nanos += NANOS_PER_SEC; |
| secs -= <span class="number">1</span>; |
| } |
| Duration { secs: secs, nanos: nanos } |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"std"</span>, test))] |
| #[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"std"</span>)))] |
| </span><span class="kw">impl</span><<span class="lifetime">'a</span>> std::iter::Sum<<span class="kw-2">&</span><span class="lifetime">'a </span>Duration> <span class="kw">for </span>Duration { |
| <span class="kw">fn </span>sum<I: Iterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>Duration>>(iter: I) -> Duration { |
| iter.fold(Duration::zero(), |acc, x| acc + <span class="kw-2">*</span>x) |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"std"</span>, test))] |
| #[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"std"</span>)))] |
| </span><span class="kw">impl </span>std::iter::Sum<Duration> <span class="kw">for </span>Duration { |
| <span class="kw">fn </span>sum<I: Iterator<Item = Duration>>(iter: I) -> Duration { |
| iter.fold(Duration::zero(), |acc, x| acc + x) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Duration { |
| <span class="doccomment">/// Format a duration using the [ISO 8601] format |
| /// |
| /// [ISO 8601]: https://en.wikipedia.org/wiki/ISO_8601#Durations |
| </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="comment">// technically speaking, negative duration is not valid ISO 8601, |
| // but we need to print it anyway. |
| </span><span class="kw">let </span>(abs, sign) = <span class="kw">if </span><span class="self">self</span>.secs < <span class="number">0 </span>{ (-<span class="kw-2">*</span><span class="self">self</span>, <span class="string">"-"</span>) } <span class="kw">else </span>{ (<span class="kw-2">*</span><span class="self">self</span>, <span class="string">""</span>) }; |
| |
| <span class="kw">let </span>days = abs.secs / SECS_PER_DAY; |
| <span class="kw">let </span>secs = abs.secs - days * SECS_PER_DAY; |
| <span class="kw">let </span>hasdate = days != <span class="number">0</span>; |
| <span class="kw">let </span>hastime = (secs != <span class="number">0 </span>|| abs.nanos != <span class="number">0</span>) || !hasdate; |
| |
| <span class="macro">write!</span>(f, <span class="string">"{}P"</span>, sign)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span>hasdate { |
| <span class="macro">write!</span>(f, <span class="string">"{}D"</span>, days)<span class="question-mark">?</span>; |
| } |
| <span class="kw">if </span>hastime { |
| <span class="kw">if </span>abs.nanos == <span class="number">0 </span>{ |
| <span class="macro">write!</span>(f, <span class="string">"T{}S"</span>, secs)<span class="question-mark">?</span>; |
| } <span class="kw">else if </span>abs.nanos % NANOS_PER_MILLI == <span class="number">0 </span>{ |
| <span class="macro">write!</span>(f, <span class="string">"T{}.{:03}S"</span>, secs, abs.nanos / NANOS_PER_MILLI)<span class="question-mark">?</span>; |
| } <span class="kw">else if </span>abs.nanos % NANOS_PER_MICRO == <span class="number">0 </span>{ |
| <span class="macro">write!</span>(f, <span class="string">"T{}.{:06}S"</span>, secs, abs.nanos / NANOS_PER_MICRO)<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="macro">write!</span>(f, <span class="string">"T{}.{:09}S"</span>, secs, abs.nanos)<span class="question-mark">?</span>; |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="doccomment">/// Represents error when converting `Duration` to/from a standard library |
| /// implementation |
| /// |
| /// The `std::time::Duration` supports a range from zero to `u64::MAX` |
| /// *seconds*, while this module supports signed range of up to |
| /// `i64::MAX` of *milliseconds*. |
| </span><span class="attribute">#[derive(Debug, Clone, Copy, PartialEq, Eq)] |
| </span><span class="kw">pub struct </span>OutOfRangeError(()); |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>OutOfRangeError { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="macro">write!</span>(f, <span class="string">"Source duration value is out of range for the target type"</span>) |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"std"</span>, test))] |
| #[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"std"</span>)))] |
| </span><span class="kw">impl </span>Error <span class="kw">for </span>OutOfRangeError { |
| <span class="attribute">#[allow(deprecated)] |
| </span><span class="kw">fn </span>description(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="string">"out of range error" |
| </span>} |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">const fn </span>div_mod_floor_64(this: i64, other: i64) -> (i64, i64) { |
| (this.div_euclid(other), this.rem_euclid(other)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"arbitrary"</span>)] |
| </span><span class="kw">impl </span>arbitrary::Arbitrary<<span class="lifetime">'_</span>> <span class="kw">for </span>Duration { |
| <span class="kw">fn </span>arbitrary(u: <span class="kw-2">&mut </span>arbitrary::Unstructured) -> arbitrary::Result<Duration> { |
| <span class="kw">const </span>MIN_SECS: i64 = i64::MIN / MILLIS_PER_SEC - <span class="number">1</span>; |
| <span class="kw">const </span>MAX_SECS: i64 = i64::MAX / MILLIS_PER_SEC; |
| |
| <span class="kw">let </span>secs: i64 = u.int_in_range(MIN_SECS..=MAX_SECS)<span class="question-mark">?</span>; |
| <span class="kw">let </span>nanos: i32 = u.int_in_range(<span class="number">0</span>..=(NANOS_PER_SEC - <span class="number">1</span>))<span class="question-mark">?</span>; |
| <span class="kw">let </span>duration = Duration { secs, nanos }; |
| |
| <span class="kw">if </span>duration < MIN || duration > MAX { |
| <span class="prelude-val">Err</span>(arbitrary::Error::IncorrectFormat) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Ok</span>(duration) |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use super</span>::{Duration, OutOfRangeError, MAX, MIN}; |
| <span class="kw">use </span>std::time::Duration <span class="kw">as </span>StdDuration; |
| <span class="kw">use </span>std::{i32, i64}; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration() { |
| <span class="macro">assert!</span>(Duration::seconds(<span class="number">1</span>) != Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">1</span>) + Duration::seconds(<span class="number">2</span>), Duration::seconds(<span class="number">3</span>)); |
| <span class="macro">assert_eq!</span>( |
| Duration::seconds(<span class="number">86399</span>) + Duration::seconds(<span class="number">4</span>), |
| Duration::days(<span class="number">1</span>) + Duration::seconds(<span class="number">3</span>) |
| ); |
| <span class="macro">assert_eq!</span>(Duration::days(<span class="number">10</span>) - Duration::seconds(<span class="number">1000</span>), Duration::seconds(<span class="number">863000</span>)); |
| <span class="macro">assert_eq!</span>(Duration::days(<span class="number">10</span>) - Duration::seconds(<span class="number">1000000</span>), Duration::seconds(-<span class="number">136000</span>)); |
| <span class="macro">assert_eq!</span>( |
| Duration::days(<span class="number">2</span>) + Duration::seconds(<span class="number">86399</span>) + Duration::nanoseconds(<span class="number">1234567890</span>), |
| Duration::days(<span class="number">3</span>) + Duration::nanoseconds(<span class="number">234567890</span>) |
| ); |
| <span class="macro">assert_eq!</span>(-Duration::days(<span class="number">3</span>), Duration::days(-<span class="number">3</span>)); |
| <span class="macro">assert_eq!</span>( |
| -(Duration::days(<span class="number">3</span>) + Duration::seconds(<span class="number">70</span>)), |
| Duration::days(-<span class="number">4</span>) + Duration::seconds(<span class="number">86400 </span>- <span class="number">70</span>) |
| ); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_num_days() { |
| <span class="macro">assert_eq!</span>(Duration::zero().num_days(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(<span class="number">1</span>).num_days(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(-<span class="number">1</span>).num_days(), -<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">86399</span>).num_days(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">86401</span>).num_days(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">86399</span>).num_days(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">86401</span>).num_days(), -<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(i32::MAX <span class="kw">as </span>i64).num_days(), i32::MAX <span class="kw">as </span>i64); |
| <span class="macro">assert_eq!</span>(Duration::days(i32::MIN <span class="kw">as </span>i64).num_days(), i32::MIN <span class="kw">as </span>i64); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_num_seconds() { |
| <span class="macro">assert_eq!</span>(Duration::zero().num_seconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">1</span>).num_seconds(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">1</span>).num_seconds(), -<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">999</span>).num_seconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">1001</span>).num_seconds(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">999</span>).num_seconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1001</span>).num_seconds(), -<span class="number">1</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_num_milliseconds() { |
| <span class="macro">assert_eq!</span>(Duration::zero().num_milliseconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">1</span>).num_milliseconds(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1</span>).num_milliseconds(), -<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(<span class="number">999</span>).num_milliseconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(<span class="number">1001</span>).num_milliseconds(), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(-<span class="number">999</span>).num_milliseconds(), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(-<span class="number">1001</span>).num_milliseconds(), -<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(i64::MAX).num_milliseconds(), i64::MAX); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(i64::MIN).num_milliseconds(), i64::MIN); |
| <span class="macro">assert_eq!</span>(MAX.num_milliseconds(), i64::MAX); |
| <span class="macro">assert_eq!</span>(MIN.num_milliseconds(), i64::MIN); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_num_microseconds() { |
| <span class="macro">assert_eq!</span>(Duration::zero().num_microseconds(), <span class="prelude-val">Some</span>(<span class="number">0</span>)); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(<span class="number">1</span>).num_microseconds(), <span class="prelude-val">Some</span>(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(-<span class="number">1</span>).num_microseconds(), <span class="prelude-val">Some</span>(-<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">999</span>).num_microseconds(), <span class="prelude-val">Some</span>(<span class="number">0</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1001</span>).num_microseconds(), <span class="prelude-val">Some</span>(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(-<span class="number">999</span>).num_microseconds(), <span class="prelude-val">Some</span>(<span class="number">0</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(-<span class="number">1001</span>).num_microseconds(), <span class="prelude-val">Some</span>(-<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(i64::MAX).num_microseconds(), <span class="prelude-val">Some</span>(i64::MAX)); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(i64::MIN).num_microseconds(), <span class="prelude-val">Some</span>(i64::MIN)); |
| <span class="macro">assert_eq!</span>(MAX.num_microseconds(), <span class="prelude-val">None</span>); |
| <span class="macro">assert_eq!</span>(MIN.num_microseconds(), <span class="prelude-val">None</span>); |
| |
| <span class="comment">// overflow checks |
| </span><span class="kw">const </span>MICROS_PER_DAY: i64 = <span class="number">86400_000_000</span>; |
| <span class="macro">assert_eq!</span>( |
| Duration::days(i64::MAX / MICROS_PER_DAY).num_microseconds(), |
| <span class="prelude-val">Some</span>(i64::MAX / MICROS_PER_DAY * MICROS_PER_DAY) |
| ); |
| <span class="macro">assert_eq!</span>( |
| Duration::days(i64::MIN / MICROS_PER_DAY).num_microseconds(), |
| <span class="prelude-val">Some</span>(i64::MIN / MICROS_PER_DAY * MICROS_PER_DAY) |
| ); |
| <span class="macro">assert_eq!</span>(Duration::days(i64::MAX / MICROS_PER_DAY + <span class="number">1</span>).num_microseconds(), <span class="prelude-val">None</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(i64::MIN / MICROS_PER_DAY - <span class="number">1</span>).num_microseconds(), <span class="prelude-val">None</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_num_nanoseconds() { |
| <span class="macro">assert_eq!</span>(Duration::zero().num_nanoseconds(), <span class="prelude-val">Some</span>(<span class="number">0</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1</span>).num_nanoseconds(), <span class="prelude-val">Some</span>(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(-<span class="number">1</span>).num_nanoseconds(), <span class="prelude-val">Some</span>(-<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(i64::MAX).num_nanoseconds(), <span class="prelude-val">Some</span>(i64::MAX)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(i64::MIN).num_nanoseconds(), <span class="prelude-val">Some</span>(i64::MIN)); |
| <span class="macro">assert_eq!</span>(MAX.num_nanoseconds(), <span class="prelude-val">None</span>); |
| <span class="macro">assert_eq!</span>(MIN.num_nanoseconds(), <span class="prelude-val">None</span>); |
| |
| <span class="comment">// overflow checks |
| </span><span class="kw">const </span>NANOS_PER_DAY: i64 = <span class="number">86400_000_000_000</span>; |
| <span class="macro">assert_eq!</span>( |
| Duration::days(i64::MAX / NANOS_PER_DAY).num_nanoseconds(), |
| <span class="prelude-val">Some</span>(i64::MAX / NANOS_PER_DAY * NANOS_PER_DAY) |
| ); |
| <span class="macro">assert_eq!</span>( |
| Duration::days(i64::MIN / NANOS_PER_DAY).num_nanoseconds(), |
| <span class="prelude-val">Some</span>(i64::MIN / NANOS_PER_DAY * NANOS_PER_DAY) |
| ); |
| <span class="macro">assert_eq!</span>(Duration::days(i64::MAX / NANOS_PER_DAY + <span class="number">1</span>).num_nanoseconds(), <span class="prelude-val">None</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(i64::MIN / NANOS_PER_DAY - <span class="number">1</span>).num_nanoseconds(), <span class="prelude-val">None</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_checked_ops() { |
| <span class="macro">assert_eq!</span>( |
| Duration::milliseconds(i64::MAX - <span class="number">1</span>).checked_add(<span class="kw-2">&</span>Duration::microseconds(<span class="number">999</span>)), |
| <span class="prelude-val">Some</span>(Duration::milliseconds(i64::MAX - <span class="number">2</span>) + Duration::microseconds(<span class="number">1999</span>)) |
| ); |
| <span class="macro">assert!</span>(Duration::milliseconds(i64::MAX) |
| .checked_add(<span class="kw-2">&</span>Duration::microseconds(<span class="number">1000</span>)) |
| .is_none()); |
| |
| <span class="macro">assert_eq!</span>( |
| Duration::milliseconds(i64::MIN).checked_sub(<span class="kw-2">&</span>Duration::milliseconds(<span class="number">0</span>)), |
| <span class="prelude-val">Some</span>(Duration::milliseconds(i64::MIN)) |
| ); |
| <span class="macro">assert!</span>(Duration::milliseconds(i64::MIN).checked_sub(<span class="kw-2">&</span>Duration::milliseconds(<span class="number">1</span>)).is_none()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_abs() { |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">1300</span>).abs(), Duration::milliseconds(<span class="number">1300</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">1000</span>).abs(), Duration::milliseconds(<span class="number">1000</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">300</span>).abs(), Duration::milliseconds(<span class="number">300</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">0</span>).abs(), Duration::milliseconds(<span class="number">0</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">300</span>).abs(), Duration::milliseconds(<span class="number">300</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">700</span>).abs(), Duration::milliseconds(<span class="number">700</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1000</span>).abs(), Duration::milliseconds(<span class="number">1000</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1300</span>).abs(), Duration::milliseconds(<span class="number">1300</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1700</span>).abs(), Duration::milliseconds(<span class="number">1700</span>)); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_mul() { |
| <span class="macro">assert_eq!</span>(Duration::zero() * i32::MAX, Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::zero() * i32::MIN, Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1</span>) * <span class="number">0</span>, Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1</span>) * <span class="number">1</span>, Duration::nanoseconds(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1</span>) * <span class="number">1_000_000_000</span>, Duration::seconds(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">1</span>) * -<span class="number">1_000_000_000</span>, -Duration::seconds(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>(-Duration::nanoseconds(<span class="number">1</span>) * <span class="number">1_000_000_000</span>, -Duration::seconds(<span class="number">1</span>)); |
| <span class="macro">assert_eq!</span>( |
| Duration::nanoseconds(<span class="number">30</span>) * <span class="number">333_333_333</span>, |
| Duration::seconds(<span class="number">10</span>) - Duration::nanoseconds(<span class="number">10</span>) |
| ); |
| <span class="macro">assert_eq!</span>( |
| (Duration::nanoseconds(<span class="number">1</span>) + Duration::seconds(<span class="number">1</span>) + Duration::days(<span class="number">1</span>)) * <span class="number">3</span>, |
| Duration::nanoseconds(<span class="number">3</span>) + Duration::seconds(<span class="number">3</span>) + Duration::days(<span class="number">3</span>) |
| ); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">1500</span>) * -<span class="number">2</span>, Duration::seconds(-<span class="number">3</span>)); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1500</span>) * <span class="number">2</span>, Duration::seconds(-<span class="number">3</span>)); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_div() { |
| <span class="macro">assert_eq!</span>(Duration::zero() / i32::MAX, Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::zero() / i32::MIN, Duration::zero()); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">123_456_789</span>) / <span class="number">1</span>, Duration::nanoseconds(<span class="number">123_456_789</span>)); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">123_456_789</span>) / -<span class="number">1</span>, -Duration::nanoseconds(<span class="number">123_456_789</span>)); |
| <span class="macro">assert_eq!</span>(-Duration::nanoseconds(<span class="number">123_456_789</span>) / -<span class="number">1</span>, Duration::nanoseconds(<span class="number">123_456_789</span>)); |
| <span class="macro">assert_eq!</span>(-Duration::nanoseconds(<span class="number">123_456_789</span>) / <span class="number">1</span>, -Duration::nanoseconds(<span class="number">123_456_789</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">1</span>) / <span class="number">3</span>, Duration::nanoseconds(<span class="number">333_333_333</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">4</span>) / <span class="number">3</span>, Duration::nanoseconds(<span class="number">1_333_333_333</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">1</span>) / <span class="number">2</span>, Duration::milliseconds(-<span class="number">500</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">1</span>) / -<span class="number">2</span>, Duration::milliseconds(-<span class="number">500</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">1</span>) / -<span class="number">2</span>, Duration::milliseconds(<span class="number">500</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">4</span>) / <span class="number">3</span>, Duration::nanoseconds(-<span class="number">1_333_333_333</span>)); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">4</span>) / -<span class="number">3</span>, Duration::nanoseconds(<span class="number">1_333_333_333</span>)); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_sum() { |
| <span class="kw">let </span>duration_list_1 = [Duration::zero(), Duration::seconds(<span class="number">1</span>)]; |
| <span class="kw">let </span>sum_1: Duration = duration_list_1.iter().sum(); |
| <span class="macro">assert_eq!</span>(sum_1, Duration::seconds(<span class="number">1</span>)); |
| |
| <span class="kw">let </span>duration_list_2 = |
| [Duration::zero(), Duration::seconds(<span class="number">1</span>), Duration::seconds(<span class="number">6</span>), Duration::seconds(<span class="number">10</span>)]; |
| <span class="kw">let </span>sum_2: Duration = duration_list_2.iter().sum(); |
| <span class="macro">assert_eq!</span>(sum_2, Duration::seconds(<span class="number">17</span>)); |
| |
| <span class="kw">let </span>duration_vec = <span class="macro">vec!</span>[ |
| Duration::zero(), |
| Duration::seconds(<span class="number">1</span>), |
| Duration::seconds(<span class="number">6</span>), |
| Duration::seconds(<span class="number">10</span>), |
| ]; |
| <span class="kw">let </span>sum_3: Duration = duration_vec.into_iter().sum(); |
| <span class="macro">assert_eq!</span>(sum_3, Duration::seconds(<span class="number">17</span>)); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_duration_fmt() { |
| <span class="macro">assert_eq!</span>(Duration::zero().to_string(), <span class="string">"PT0S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(<span class="number">42</span>).to_string(), <span class="string">"P42D"</span>); |
| <span class="macro">assert_eq!</span>(Duration::days(-<span class="number">42</span>).to_string(), <span class="string">"-P42D"</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">42</span>).to_string(), <span class="string">"PT42S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">42</span>).to_string(), <span class="string">"PT0.042S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::microseconds(<span class="number">42</span>).to_string(), <span class="string">"PT0.000042S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">42</span>).to_string(), <span class="string">"PT0.000000042S"</span>); |
| <span class="macro">assert_eq!</span>((Duration::days(<span class="number">7</span>) + Duration::milliseconds(<span class="number">6543</span>)).to_string(), <span class="string">"P7DT6.543S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">86401</span>).to_string(), <span class="string">"-P1DT1S"</span>); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(-<span class="number">1</span>).to_string(), <span class="string">"-PT0.000000001S"</span>); |
| |
| <span class="comment">// the format specifier should have no effect on `Duration` |
| </span><span class="macro">assert_eq!</span>( |
| <span class="macro">format!</span>(<span class="string">"{:30}"</span>, Duration::days(<span class="number">1</span>) + Duration::milliseconds(<span class="number">2345</span>)), |
| <span class="string">"P1DT2.345S" |
| </span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_to_std() { |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">1</span>).to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">1</span>, <span class="number">0</span>))); |
| <span class="macro">assert_eq!</span>(Duration::seconds(<span class="number">86401</span>).to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">86401</span>, <span class="number">0</span>))); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">123</span>).to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">0</span>, <span class="number">123000000</span>))); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(<span class="number">123765</span>).to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">123</span>, <span class="number">765000000</span>))); |
| <span class="macro">assert_eq!</span>(Duration::nanoseconds(<span class="number">777</span>).to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">0</span>, <span class="number">777</span>))); |
| <span class="macro">assert_eq!</span>(MAX.to_std(), <span class="prelude-val">Ok</span>(StdDuration::new(<span class="number">9223372036854775</span>, <span class="number">807000000</span>))); |
| <span class="macro">assert_eq!</span>(Duration::seconds(-<span class="number">1</span>).to_std(), <span class="prelude-val">Err</span>(OutOfRangeError(()))); |
| <span class="macro">assert_eq!</span>(Duration::milliseconds(-<span class="number">1</span>).to_std(), <span class="prelude-val">Err</span>(OutOfRangeError(()))); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_from_std() { |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Ok</span>(Duration::seconds(<span class="number">1</span>)), Duration::from_std(StdDuration::new(<span class="number">1</span>, <span class="number">0</span>))); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Ok</span>(Duration::seconds(<span class="number">86401</span>)), Duration::from_std(StdDuration::new(<span class="number">86401</span>, <span class="number">0</span>))); |
| <span class="macro">assert_eq!</span>( |
| <span class="prelude-val">Ok</span>(Duration::milliseconds(<span class="number">123</span>)), |
| Duration::from_std(StdDuration::new(<span class="number">0</span>, <span class="number">123000000</span>)) |
| ); |
| <span class="macro">assert_eq!</span>( |
| <span class="prelude-val">Ok</span>(Duration::milliseconds(<span class="number">123765</span>)), |
| Duration::from_std(StdDuration::new(<span class="number">123</span>, <span class="number">765000000</span>)) |
| ); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Ok</span>(Duration::nanoseconds(<span class="number">777</span>)), Duration::from_std(StdDuration::new(<span class="number">0</span>, <span class="number">777</span>))); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Ok</span>(MAX), Duration::from_std(StdDuration::new(<span class="number">9223372036854775</span>, <span class="number">807000000</span>))); |
| <span class="macro">assert_eq!</span>( |
| Duration::from_std(StdDuration::new(<span class="number">9223372036854776</span>, <span class="number">0</span>)), |
| <span class="prelude-val">Err</span>(OutOfRangeError(())) |
| ); |
| <span class="macro">assert_eq!</span>( |
| Duration::from_std(StdDuration::new(<span class="number">9223372036854775</span>, <span class="number">807000001</span>)), |
| <span class="prelude-val">Err</span>(OutOfRangeError(())) |
| ); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="chrono" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
