Help/Streams-Patterns-Events/Patterns/Pcollect.html

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  21 <p class="p1"><span class="s1"><b>Pcollect<span class="Apple-tab-span"> </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><span class="Apple-tab-span"> </span><b>apply a function to a pattern</b></p>
  22 <p class="p2"><br></p>
  23 <p class="p1"><b>superclass: FuncFilterPattern</b></p>
  24 <p class="p2"><br></p>
  25 <p class="p1"><b>Pcollect(func, pattern)</b></p>
  26 <p class="p2"><br></p>
  27 <p class="p1">modifies each value by passing it to the function</p>
  28 <p class="p2"><br></p>
  29 <p class="p2"><br></p>
  30 <p class="p3">(</p>
  31 <p class="p3"><span class="s2">var</span> a, b;</p>
  32 <p class="p3">a = <span class="s2">Pcollect</span>({ arg item; item * 3 }, Pseq(#[1, 2, 3],inf));</p>
  33 <p class="p3">x = a.asStream;</p>
  34 <p class="p3">9.do({ x.next.postln; });</p>
  35 <p class="p3">)</p>
  36 <p class="p2"><br></p>
  37 <p class="p1">the message collect returns a Pcollect when passed to a pattern</p>
  38 <p class="p2"><br></p>
  39 <p class="p4">(</p>
  40 <p class="p4"><span class="s3">var</span> a, b;</p>
  41 <p class="p4">a =<span class="Apple-converted-space">  </span><span class="s3">Pseq</span>(#[1, 2, 3],<span class="s3">inf</span>).collect({ <span class="s3">arg</span> item; item * 3 });</p>
  42 <p class="p4">a.postln;</p>
  43 <p class="p4">x = a.asStream;</p>
  44 <p class="p4">9.do({ x.next.postln; });</p>
  45 <p class="p4">)</p>
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