e">C</span>, <span name="provingground.learning.AdjDiffbleFunction.Oplus.D" class="extype">D</span>]) =&gt; <span name="scala.Boolean" class="extype">Boolean</span></span>, <span name="msg">msg: =&gt; <span name="scala.Any" class="extype">Any</span></span>)</span><span class="result">: <a href="" name="provingground.learning.AdjDiffbleFunction.Oplus" id="provingground.learning.AdjDiffbleFunction.Oplus" class="extype">Oplus</a>[<span name="provingground.learning.AdjDiffbleFunction.Oplus.A" class="extype">A</