Current File : //proc/thread-self/root/proc/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 # => 4\n ary.count(2) # => 2\n ary.count{|x|x%2==0} # => 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