| <!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/tantivy-65d0bbbddbbd5d02/433372d/src/schema/flags.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>flags.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="../../../tantivy/index.html"><div class="logo-container"> |
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| <img src="http://fulmicoton.com/tantivy-logo/tantivy-logo.png" 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::ops::BitOr; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::schema::{NumericOptions, TextOptions}; |
| <span class="kw">use </span><span class="kw">crate</span>::DateOptions; |
| |
| <span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub struct </span>StoredFlag; |
| <span class="doccomment">/// Flag to mark the field as stored. |
| /// This flag can apply to any kind of field. |
| /// |
| /// A stored fields of a document can be retrieved given its `DocId`. |
| /// Stored field are stored together and compressed. |
| /// Reading the stored fields of a document is relatively slow. |
| /// (~ 100 microsecs) |
| /// |
| /// It should not be used during scoring or collection. |
| </span><span class="kw">pub const </span>STORED: SchemaFlagList<StoredFlag, ()> = SchemaFlagList { |
| head: StoredFlag, |
| tail: (), |
| }; |
| |
| <span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub struct </span>IndexedFlag; |
| <span class="doccomment">/// Flag to mark the field as indexed. An indexed field is searchable and has a fieldnorm. |
| /// |
| /// The `INDEXED` flag can only be used when building `NumericOptions` (`u64`, `i64`, `f64` and |
| /// `bool` fields) Of course, text fields can also be indexed... But this is expressed by using |
| /// either the `STRING` (untokenized) or `TEXT` (tokenized with the english tokenizer) flags. |
| </span><span class="kw">pub const </span>INDEXED: SchemaFlagList<IndexedFlag, ()> = SchemaFlagList { |
| head: IndexedFlag, |
| tail: (), |
| }; |
| |
| <span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub struct </span>FastFlag; |
| <span class="doccomment">/// Flag to mark the field as a fast field (similar to Lucene's DocValues) |
| /// |
| /// Fast fields can be random-accessed rapidly. Fields useful for scoring, filtering |
| /// or collection should be mark as fast fields. |
| /// |
| /// See [fast fields](`crate::fastfield`). |
| </span><span class="kw">pub const </span>FAST: SchemaFlagList<FastFlag, ()> = SchemaFlagList { |
| head: FastFlag, |
| tail: (), |
| }; |
| |
| <span class="kw">impl</span><Head, OldHead, OldTail> BitOr<SchemaFlagList<Head, ()>> <span class="kw">for </span>SchemaFlagList<OldHead, OldTail> |
| <span class="kw">where |
| </span>Head: Clone, |
| OldHead: Clone, |
| OldTail: Clone, |
| { |
| <span class="kw">type </span>Output = SchemaFlagList<Head, SchemaFlagList<OldHead, OldTail>>; |
| |
| <span class="kw">fn </span>bitor(<span class="self">self</span>, head: SchemaFlagList<Head, ()>) -> <span class="self">Self</span>::Output { |
| SchemaFlagList { |
| head: head.head, |
| tail: <span class="self">self</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><T: Clone + Into<NumericOptions>> BitOr<NumericOptions> <span class="kw">for </span>SchemaFlagList<T, ()> { |
| <span class="kw">type </span>Output = NumericOptions; |
| |
| <span class="kw">fn </span>bitor(<span class="self">self</span>, rhs: NumericOptions) -> <span class="self">Self</span>::Output { |
| <span class="self">self</span>.head.into() | rhs |
| } |
| } |
| |
| <span class="kw">impl</span><T: Clone + Into<DateOptions>> BitOr<DateOptions> <span class="kw">for </span>SchemaFlagList<T, ()> { |
| <span class="kw">type </span>Output = DateOptions; |
| |
| <span class="kw">fn </span>bitor(<span class="self">self</span>, rhs: DateOptions) -> <span class="self">Self</span>::Output { |
| <span class="self">self</span>.head.into() | rhs |
| } |
| } |
| |
| <span class="kw">impl</span><T: Clone + Into<TextOptions>> BitOr<TextOptions> <span class="kw">for </span>SchemaFlagList<T, ()> { |
| <span class="kw">type </span>Output = TextOptions; |
| |
| <span class="kw">fn </span>bitor(<span class="self">self</span>, rhs: TextOptions) -> <span class="self">Self</span>::Output { |
| <span class="self">self</span>.head.into() | rhs |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub struct </span>SchemaFlagList<Head: Clone, Tail: Clone> { |
| <span class="kw">pub </span>head: Head, |
| <span class="kw">pub </span>tail: Tail, |
| } |
| </code></pre></div> |
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