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<htmlxmlns="http://www.w3.org/1999/xhtml"><head><title>InferBase__PolyFields (InferBase.InferBase__PolyFields)</title><linkrel="stylesheet"href="../../odoc.css"/><metacharset="utf-8"/><metaname="generator"content="odoc %%VERSION%%"/><metaname="viewport"content="width=device-width,initial-scale=1.0"/><scriptsrc="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><divclass="content"><header><nav><ahref="../index.html">Up</a>–<ahref="../index.html">InferBase</a>» InferBase__PolyFields</nav><h1>Module <code>InferBase__PolyFields</code></h1></header><dl><dtclass="spec type"id="type-t"><ahref="#type-t"class="anchor"></a><code><spanclass="keyword">type</span><span>'r t</span></code></dt><dd><p>Datastructure for polymorphic getters of record fields</p></dd></dl><dl><dtclass="spec type"id="type-sub"><ahref="#type-sub"class="anchor"></a><code><spanclass="keyword">type</span><span>'r sub</span></code><code> = </code><tableclass="variant"><trid="type-sub.S"class="anchored"><tdclass="def constructor"><ahref="#type-sub.S"class="anchor"></a><code>| </code><code><spanclass="constructor">S</span> : <span><span>(<spanclass="type-var">'r</span>,<spanclass="type-var">'f</span>)</span><ahref="../../InferStdlib/InferStdlib/index.html#module-IStd">InferStdlib.IStd</a>.Field.t</span> * <span><spanclass="type-var">'f</span><ahref="index.html#type-t">t</a></span><span>-></span><span><spanclass="type-var">'r</span><ahref="index.html#type-sub">sub</a></span></code></td></tr></table></dt><dtclass="spec type"id="type-user"><ahref="#type-user"class="anchor"></a><code><spanclass="keyword">type</span><span>('r, 'a) user</span></code><code> = </code><code>{</code><tableclass="record"><trid="type-user.f"class="anchored"><tdclass="def field"><ahref="#type-user.f"class="anchor"></a><code>f : f. string <span>-></span><span>(<spanclass="type-var">'r</span><span>-></span><spanclass="type-var">'f</span>)</span><span>-></span><spanclass="type-var">'a</span>;</code></td></tr></table><code>}</code></dt></dl><dl><dtclass="spec value"id="val-make"><ahref="#val-make"class="anchor"></a><code><spanclass="keyword">val</span> make : <span>?⁠subfields:<span><span><spanclass="type-var">'r</span><ahref="index.html#type-sub">sub</a></span> list</span></span><span>-></span><span>(<span><span>(<spanclass="type-var">_</span>,<spanclass="type-var">'r</span>,<span><spanclass="type-var">'r</span><ahref="index.html#type-t">t</a></span>)</span><ahref="../../InferStdlib/InferStdlib/index.html#module-IStd">InferStdlib.IStd</a>.Field.user</span><span>-></span><span><span><spanclass="type-var">'r</span><ahref="index.html#type-t">t</a></span> list</span>)</span><span>-></span><span><spanclass="type-var">'r</span><ahref="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><dtclass="spec value"id="val-map"><ahref="#val-map"class="anchor"></a><code><spanclass="keyword">val</span> map : <span><spanclass="type-var">'r</span><ahref="index.html#type-t">t</a></span><span>-></span><span><span>(<spanclass="type-var">'r</span>,<spanclass="type-var">'a</span>)</span><ahref="index.html#type-user">user</a></span><span>-></span><span><spanclass="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>. <code>f</code> is called with two arguments: the name and the getter of the field.</p></dd></dl></div></body></html>
