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Dir : //opt/alt/ruby18/share/ri/1.8/system/Enumerable/group_by-i.yaml

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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns a hash, which keys are evaluated result from the block, and values are arrays of elements in <em>enum</em> corresponding to the key.
- !ruby/struct:SM::Flow::VERB 
  body: "   (1..6).group_by {|i| i%3}   #=&gt; {0=&gt;[3, 6], 1=&gt;[1, 4], 2=&gt;[2, 5]}\n"
full_name: Enumerable#group_by
is_singleton: false
name: group_by
params: |
  enum.group_by {| obj | block }  => a_hash

visibility: public