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Dir : /proc/self/root/proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/Array/
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Dir : //proc/self/root/proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/Array/count-i.yaml

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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns the number of elements. If an argument is given, counts the number of elements which equals to <em>obj</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: Array#count
is_singleton: false
name: count
params: |
  array.count      -> int
  array.count(obj) -> int
  array.count { |item| block }  -> int

visibility: public