<span><a href="#type-id">id</a> <span class="arrow">&#45;&gt;</span></span> <span class="xref-unresolved">Ppx_hash_lib</span>.Std.Hash.hash_value</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-id"><a href="#val-id" class="anchor"></a><code><span><span class="keyword">val</span> id : <span><span class="type-var">'a</span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'b</span></span></code></div></div><div class="odoc-spec"><div class="spec value