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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Assoc (containers.CCListLabels.Assoc)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../../odoc.support/odoc.css"/><meta name="generator" content="odoc 2.4.3"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../odoc.support/highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../../index.html">containers</a> » <a href="../index.html">CCListLabels</a> » Assoc</nav><header class="odoc-preamble"><h1>Module <code><span>CCListLabels.Assoc</span></code></h1></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type anchored" id="type-t"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> <span>('a, 'b) t</span></span><span> = <span><span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> list</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get"><a href="#val-get" class="anchor"></a><code><span><span class="keyword">val</span> get : <span><span class="label">eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span class="type-var">'b</span> option</span></span></code></div><div class="spec-doc"><p><code>get ~eq k alist</code> returns <code>Some v</code> if the given key <code>k</code> is present into <code>alist</code>, or <code>None</code> if not present.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get_exn"><a href="#val-get_exn" class="anchor"></a><code><span><span class="keyword">val</span> get_exn : <span><span class="label">eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span class="type-var">'b</span></span></code></div><div class="spec-doc"><p><code>get_exn ~eq k alist</code> returns <code>v</code> if the element <code>k</code> is present into <code>alist</code>. Like <code>get</code>, but unsafe.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <code>Not_found</code> <p>if the element is not present.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-set"><a href="#val-set" class="anchor"></a><code><span><span class="keyword">val</span> set : <span><span class="label">eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'b</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span></span></code></div><div class="spec-doc"><p><code>set ~eq k v alist</code> adds the binding <code>k, v</code> into the list <code>alist</code> (erase it if already present).</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-mem"><a href="#val-mem" class="anchor"></a><code><span><span class="keyword">val</span> mem : <span><span class="optlabel">?eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">_</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p><code>mem ?eq k alist</code> returns <code>true</code> iff <code>k</code> is a key in <code>alist</code>.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 0.16</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-update"><a href="#val-update" class="anchor"></a><code><span><span class="keyword">val</span> update :
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<span><span class="label">eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span>
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<span><span class="label">f</span>:<span>(<span><span><span class="type-var">'b</span> option</span> <span class="arrow">-></span></span> <span><span class="type-var">'b</span> option</span>)</span> <span class="arrow">-></span></span>
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<span><span class="type-var">'a</span> <span class="arrow">-></span></span>
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<span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span>
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<span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span></span></code></div><div class="spec-doc"><p><code>update ~eq ~f k alist</code> updates <code>alist</code> on the key <code>k</code>, by calling <code>f (get alist k)</code> and removing <code>k</code> if it returns <code>None</code>, mapping <code>k</code> to <code>v'</code> if it returns <code>Some v'</code>.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 0.16</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-remove"><a href="#val-remove" class="anchor"></a><code><span><span class="keyword">val</span> remove : <span><span class="label">eq</span>:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span></span></code></div><div class="spec-doc"><p><code>remove ~eq k alist</code> returns the <code>alist</code> without the first pair with key <code>k</code>, if any.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 0.17</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-keys"><a href="#val-keys" class="anchor"></a><code><span><span class="keyword">val</span> keys : <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> list</span></span></code></div><div class="spec-doc"><p><code>keys alist</code> returns a list of all keys of <code>alist</code>.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 3.8</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-values"><a href="#val-values" class="anchor"></a><code><span><span class="keyword">val</span> values : <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span class="type-var">'b</span> list</span></span></code></div><div class="spec-doc"><p><code>values alist</code> returns a list of all values of <code>alist</code>.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 3.8</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-map_values"><a href="#val-map_values" class="anchor"></a><code><span><span class="keyword">val</span> map_values : <span><span>(<span><span class="type-var">'b</span> <span class="arrow">-></span></span> <span class="type-var">'c</span>)</span> <span class="arrow">-></span></span> <span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="#type-t">t</a></span> <span class="arrow">-></span></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'c</span>)</span> <a href="#type-t">t</a></span></span></code></div><div class="spec-doc"><p><code>map_values f alist</code> applies function <code>f</code> to all values of <code>alist</code>.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 3.8</li></ul></div></div></div></body></html>
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