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U:RDoc::AnyMethod[iI"combination:ETI"Array#combination;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"RWhen invoked with a block, yields all combinations of length +n+ of elements ;TI"6from the array and then returns the array itself.;To: RDoc::Markup::BlankLine o;
; [I"IThe implementation makes no guarantees about the order in which the ;TI" combinations are yielded.;T@o;
; [I"=If no block is given, an Enumerator is returned instead.;T@o;
; [I"Examples:;T@o:RDoc::Markup::Verbatim; [ I"a = [1, 2, 3, 4]
;TI"2a.combination(1).to_a #=> [[1],[2],[3],[4]]
;TI"Fa.combination(2).to_a #=> [[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]]
;TI"Ba.combination(3).to_a #=> [[1,2,3],[1,2,4],[1,3,4],[2,3,4]]
;TI",a.combination(4).to_a #=> [[1,2,3,4]]
;TI"Ca.combination(0).to_a #=> [[]] # one combination of length 0
;TI"Ba.combination(5).to_a #=> [] # no combinations of length 5;T: @format0:
@fileI" array.c;T:0@omit_headings_from_table_of_contents_below0I"bary.combination(n) { |c| block } -> ary
ary.combination(n) -> Enumerator
;T0[ I" (p1);T@#FI"
Array;TcRDoc::NormalClass00