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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>InferBase__PolyFields (InferBase.InferBase__PolyFields)</title><link rel="stylesheet" href="../../odoc.css"/><meta charset="utf-8"/><meta name="generator" content="odoc %%VERSION%%"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><div class="content"><header><nav><a href="../index.html">Up</a> – <a href="../index.html">InferBase</a> » InferBase__PolyFields</nav><h1>Module <code>InferBase__PolyFields</code></h1></header><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> <span>'r t</span></code></dt><dd><p>Datastructure for polymorphic getters of record fields</p></dd></dl><dl><dt class="spec type" id="type-sub"><a href="#type-sub" class="anchor"></a><code><span class="keyword">type</span> <span>'r sub</span></code><code> = </code><table class="variant"><tr id="type-sub.S" class="anchored"><td class="def constructor"><a href="#type-sub.S" class="anchor"></a><code>| </code><code><span class="constructor">S</span> : <span><span>(<span class="type-var">'r</span>, <span class="type-var">'f</span>)</span> <a href="../../InferStdlib/InferStdlib/index.html#module-IStd">InferStdlib.IStd</a>.Field.t</span> * <span><span class="type-var">'f</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span class="type-var">'r</span> <a href="index.html#type-sub">sub</a></span></code></td></tr></table></dt><dt class="spec type" id="type-user"><a href="#type-user" class="anchor"></a><code><span class="keyword">type</span> <span>('r, 'a) user</span></code><code> = </code><code>{</code><table class="record"><tr id="type-user.f" class="anchored"><td class="def field"><a href="#type-user.f" class="anchor"></a><code>f : f. string <span>-></span> <span>(<span class="type-var">'r</span> <span>-></span> <span class="type-var">'f</span>)</span> <span>-></span> <span class="type-var">'a</span>;</code></td></tr></table><code>}</code></dt></dl><dl><dt class="spec value" id="val-make"><a href="#val-make" class="anchor"></a><code><span class="keyword">val</span> make : <span>?⁠subfields:<span><span><span class="type-var">'r</span> <a href="index.html#type-sub">sub</a></span> list</span></span> <span>-></span> <span>(<span><span>(<span class="type-var">_</span>, <span class="type-var">'r</span>, <span><span class="type-var">'r</span> <a href="index.html#type-t">t</a></span>)</span> <a href="../../InferStdlib/InferStdlib/index.html#module-IStd">InferStdlib.IStd</a>.Field.user</span> <span>-></span> <span><span><span class="type-var">'r</span> <a href="index.html#type-t">t</a></span> list</span>)</span> <span>-></span> <span><span class="type-var">'r</span> <a href="index.html#type-t">t</a></span></code></dt><dd><p>Pass <code>Fields.map_poly</code> generated by <code>@@deriving fields</code> for the record <code>'r</code> you are interested in to get the polymorphic getters of the fields of <code>'r</code>. A dummy field "ALL" is added too.</p><p>Subfields appearing in <code>subfields</code> will be added too. Each subfield is specified by <code>S (field, poly_fields)</code> where <code>field</code> is the corresponding <code>Field.t</code> value (generated by <code>@@deriving fields</code>) and <code>poly_fields</code> is the result of this function for the field record type.</p></dd></dl><dl><dt class="spec value" id="val-map"><a href="#val-map" class="anchor"></a><code><span class="keyword">val</span> map : <span><span class="type-var">'r</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span>(<span class="type-var">'r</span>, <span class="type-var">'a</span>)</span> <a href="index.html#type-user">user</a></span> <span>-></span> <span><span class="type-var">'a</span> list</span></code></dt><dd><p><code>map r f</code> maps each field of <code>r</code> with the function <code>f</code>
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