> update_sil_types_map : 
  <span><a href="../../ATDGenerated/Clang_ast_t/index.html#type-type_ptr">ATDGenerated.Clang_ast_t.type_ptr</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="../../IR/Typ/index.html#type-desc">IR.Typ.desc</a> <span class="arrow">&#45;&gt;</span></span>
  unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-update_enum_map_exn"><a href="#val-update_enum_map_exn" class="anchor"></a><code><span><span class="keyword">val</span> up