a href="#type-subst">subst</a></span></code></div><div class="spec-doc"><p><code>sub_range_map f sub</code> applies <code>f</code> to the expressions in the range of <code>sub</code>.</p></div></div><div class="odoc-spec"><div class="spec value" id="val-sub_map" class="anchored"><a href="#val-sub_map" class="anchor"></a><code><span><span class="keyword">val</span> sub_map : 
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