n class="kind">def</span></span> <span class="symbol"><span class="name">filter</span><span class="params">(<span name="f">f: (<span name="provingground.learning.TruncatedDistribution.Scaled.A" class="extype">A</span>) =&gt; <span name="scala.Boolean" class="extype">Boolean</span></span>)</span><span class="result">: <a href="TruncatedDistribution$$Filter.html" name="provingground.learning.TruncatedDistribution.Filter" id="provingground.learning.TruncatedDistribution.Filter" class="extype">Filter</a>[<span 