<!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="A `GenericStringArray` of `str` using `i32` offsets"><title>StringArray in arrow_array::array - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="arrow_array" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (72fdf913c 2024-06-05)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc type"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../arrow_array/index.html">arrow_array</a><span class="version">52.0.0</span></h2></div><h2 class="location"><a href="#">StringArray</a></h2><div class="sidebar-elems"><section><h3><a href="#aliased-type">Aliased type</a></h3><h3><a href="#fields">Fields</a></h3><ul class="block field"><li><a href="#structfield.data_type">data_type</a></li><li><a href="#structfield.nulls">nulls</a></li><li><a href="#structfield.value_data">value_data</a></li><li><a href="#structfield.value_offsets">value_offsets</a></li></ul></section><h2><a href="index.html">In arrow_array::array</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Type Alias <a href="../index.html">arrow_array</a>::<wbr><a href="index.html">array</a>::<wbr><a class="type" href="#">StringArray</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../src/arrow_array/array/string_array.rs.html#133">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub type StringArray = <a class="type" href="string_array/type.GenericStringArray.html" title="type arrow_array::array::string_array::GenericStringArray">GenericStringArray</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A <a href="string_array/type.GenericStringArray.html" title="type arrow_array::array::string_array::GenericStringArray"><code>GenericStringArray</code></a> of <code>str</code> using <code>i32</code> offsets</p>
<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
<p>Construction</p>

<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="comment">// Create from Vec&lt;Option&lt;&amp;str&gt;&gt;
</span><span class="kw">let </span>arr = StringArray::from(<span class="macro">vec!</span>[<span class="prelude-val">Some</span>(<span class="string">"foo"</span>), <span class="prelude-val">Some</span>(<span class="string">"bar"</span>), <span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="string">"baz"</span>)]);
<span class="comment">// Create from Vec&lt;&amp;str&gt;
</span><span class="kw">let </span>arr = StringArray::from(<span class="macro">vec!</span>[<span class="string">"foo"</span>, <span class="string">"bar"</span>, <span class="string">"baz"</span>]);
<span class="comment">// Create from iter/collect (requires Option&lt;&amp;str&gt;)
</span><span class="kw">let </span>arr: StringArray = std::iter::repeat(<span class="prelude-val">Some</span>(<span class="string">"foo"</span>)).take(<span class="number">10</span>).collect();</code></pre></div>
<p>Construction and Access</p>

<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>array = StringArray::from(<span class="macro">vec!</span>[<span class="prelude-val">Some</span>(<span class="string">"foo"</span>), <span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="string">"bar"</span>)]);
<span class="macro">assert_eq!</span>(array.value(<span class="number">0</span>), <span class="string">"foo"</span>);</code></pre></div>
<p>See <a href="byte_array/struct.GenericByteArray.html" title="struct arrow_array::array::byte_array::GenericByteArray"><code>GenericByteArray</code></a> for more information and examples</p>
</div></details><h2 id="aliased-type" class="section-header">Aliased Type<a href="#aliased-type" class="anchor">§</a></h2><pre class="rust item-decl"><code>struct StringArray {
    data_type: DataType,
    value_offsets: OffsetBuffer&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;,
    value_data: Buffer,
    nulls: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;NullBuffer&gt;,
}</code></pre><h2 id="fields" class="fields section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.data_type" class="structfield section-header"><a href="#structfield.data_type" class="anchor field">§</a><code>data_type: DataType</code></span><span id="structfield.value_offsets" class="structfield section-header"><a href="#structfield.value_offsets" class="anchor field">§</a><code>value_offsets: OffsetBuffer&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span><span id="structfield.value_data" class="structfield section-header"><a href="#structfield.value_data" class="anchor field">§</a><code>value_data: Buffer</code></span><span id="structfield.nulls" class="structfield section-header"><a href="#structfield.nulls" class="anchor field">§</a><code>nulls: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;NullBuffer&gt;</code></span></section></div></main></body></html>