Current File : //proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/Enumerable/count-i.yaml

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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: "Returns the number of items in <em>enum</em>, where #size is called if it responds to it, otherwise the items are counted through enumeration. If an argument is given, counts the number of items in <em>enum</em>, for which equals to <em>item</em>. If a block is given, counts the number of elements yielding a true value."
- !ruby/struct:SM::Flow::VERB 
  body: "   ary = [1, 2, 4, 2]\n   ary.count             # =&gt; 4\n   ary.count(2)          # =&gt; 2\n   ary.count{|x|x%2==0}  # =&gt; 3\n"
full_name: Enumerable#count
is_singleton: false
name: count
params: |
  enum.count                   => int
  enum.count(item)             => int
  enum.count {| obj | block }  => int

visibility: public