pan></span> <span class="symbol"><span class="name">func</span><span class="result">: ((<span name="provingground.learning.AdjDiffbleFunction.Oplus.A" class="extype">A</span>, <span name="provingground.learning.AdjDiffbleFunction.Oplus.C" class="extype">C</span>)) =&gt; (<span name="provingground.learning.AdjDiffbleFunction.Oplus.B" class="extype">B</span>, <span name="provingground.learning.AdjDiffbleFunction.Oplus.D" class="extype">D</span>)</span></span><div class="fullcomment"><dl class="attributes bloc