--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns an array of every element in <em>enum</em> for which <tt>Pattern === element</tt>. If the optional <em>block</em> is supplied, each matching element is passed to it, and the block's result is stored in the output array.
- !ruby/struct:SM::Flow::VERB 
  body: "   (1..100).grep 38..44   #=&gt; [38, 39, 40, 41, 42, 43, 44]\n   c = IO.constants\n   c.grep(/SEEK/)         #=&gt; [&quot;SEEK_END&quot;, &quot;SEEK_SET&quot;, &quot;SEEK_CUR&quot;]\n   res = c.grep(/SEEK/) {|v| IO.const_get(v) }\n   res                    #=&gt; [2, 0, 1]\n"
full_name: Enumerable#grep
is_singleton: false
name: grep
params: |
  enum.grep(pattern)                   => array
  enum.grep(pattern) {| obj | block }  => array

visibility: public