til" class="anchor"></a><code><span><span class="keyword">val</span> fold_result_until : 
  <span><span class="label">fold</span>:<span><span>(<span class="type-var">'t</span>, <span class="type-var">'a</span>, <span class="type-var">'accum</span>)</span> <span class="xref-unresolved">IStdlib</span>.IStd.Container.fold</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="label">init</span>:<span class="type-var">'accum</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class