ScalaPolyRep.OrScalaPolyRep.U" class="extype">U</span>, <span name="provingground.scalahott.ScalaPolyRep.OrScalaPolyRep.W" class="extype">W</span>]] is in scope.</dd><dt class="implicit">Shadowing</dt><dd>This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.<br/>To access this member you can use a <a href="http://stackoverflow.com/questions/2087250/what-is-the-purpos