| <!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/git/checkouts/incubator-teaclave-crates-c8106113f74feefc/ede1f68/gbdt-rs/src/errors.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>errors.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="../../gbdt/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="../../gbdt/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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| </pre><pre class="rust"><code><span class="kw">use </span>std::error::Error; |
| <span class="kw">use </span>std::fmt::{Display, Formatter}; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::num; |
| |
| <span class="kw">pub type </span><span class="prelude-ty">Result</span><T> = std::result::Result<T, GbdtError>; |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub enum </span>GbdtError { |
| NotSupportExtraMissingNode, |
| ChildrenNotFound, |
| IO(io::Error), |
| ParseInt(num::ParseIntError), |
| ParseFloat(num::ParseFloatError), |
| SerdeJson(serde_json::Error), |
| } |
| |
| <span class="kw">impl </span>From<<span class="kw-2">&</span>str> <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>from(err: <span class="kw-2">&</span>str) -> GbdtError { |
| GbdtError::IO(io::Error::new(io::ErrorKind::Other, err)) |
| } |
| } |
| |
| <span class="kw">impl </span>From<serde_json::Error> <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>from(err: serde_json::Error) -> GbdtError { |
| GbdtError::SerdeJson(err) |
| } |
| } |
| |
| <span class="kw">impl </span>From<num::ParseFloatError> <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>from(err: num::ParseFloatError) -> GbdtError { |
| GbdtError::ParseFloat(err) |
| } |
| } |
| |
| <span class="kw">impl </span>From<num::ParseIntError> <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>from(err: num::ParseIntError) -> GbdtError { |
| GbdtError::ParseInt(err) |
| } |
| } |
| |
| <span class="kw">impl </span>From<io::Error> <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>from(err: io::Error) -> GbdtError { |
| GbdtError::IO(err) |
| } |
| } |
| |
| <span class="kw">impl </span>Display <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter) -> std::fmt::Result { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| GbdtError::NotSupportExtraMissingNode => <span class="macro">write!</span>(f, <span class="string">"Not support extra missing node"</span>), |
| GbdtError::ChildrenNotFound => <span class="macro">write!</span>(f, <span class="string">"Children not found"</span>), |
| GbdtError::IO(<span class="kw-2">ref </span>e) => <span class="macro">write!</span>(f, <span class="string">"IO error: {}"</span>, e), |
| GbdtError::ParseInt(<span class="kw-2">ref </span>e) => <span class="macro">write!</span>(f, <span class="string">"ParseInt error: {}"</span>, e), |
| GbdtError::ParseFloat(<span class="kw-2">ref </span>e) => <span class="macro">write!</span>(f, <span class="string">"ParseFloat error: {}"</span>, e), |
| GbdtError::SerdeJson(<span class="kw-2">ref </span>e) => <span class="macro">write!</span>(f, <span class="string">"SerdeJson error: {}"</span>, e), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Error <span class="kw">for </span>GbdtError { |
| <span class="kw">fn </span>source(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>(<span class="kw">dyn </span>Error + <span class="lifetime">'static</span>)> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| GbdtError::NotSupportExtraMissingNode => <span class="prelude-val">None</span>, |
| GbdtError::ChildrenNotFound => <span class="prelude-val">None</span>, |
| GbdtError::IO(<span class="kw-2">ref </span>e) => <span class="prelude-val">Some</span>(e), |
| GbdtError::ParseInt(<span class="kw-2">ref </span>e) => <span class="prelude-val">Some</span>(e), |
| GbdtError::ParseFloat(<span class="kw-2">ref </span>e) => <span class="prelude-val">Some</span>(e), |
| GbdtError::SerdeJson(<span class="kw-2">ref </span>e) => <span class="prelude-val">Some</span>(e), |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="gbdt" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
