/span> <span><span class="type-var">'accum</span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'accum</span>)</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span>(<span class="type-var">'t</span>, <span class="type-var">'key</span> * <span class="type-var">'value</span>, <span class="type-var">'accum</span>)</span> <span class="xref-unresolved">IStdlib</span>.IStd.Container.fold</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val