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o:RDoc::Markup::Paragraph;	[I"MGroups the collection by result of the block.  Returns a hash where the ;TI"Ekeys are the evaluated result from the block and the values are ;TI"Earrays of elements in the collection that correspond to the key.;To:RDoc::Markup::BlankLineo;
;	[I"4If no block is given an enumerator is returned.;T@o:RDoc::Markup::Verbatim;	[I"H(1..6).group_by { |i| i%3 }   #=> {0=>[3, 6], 1=>[1, 4], 2=>[2, 5]};T:@format0:
@fileI"enum.c;T:0@omit_headings_from_table_of_contents_below0I"\enum.group_by { |obj| block } -> a_hash
enum.group_by                 -> an_enumerator
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