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: / opt / alt / ruby34 / share / ri / system / Enumerator / Product /
Filename : cdesc-Product.ri
back
U:RDoc::NormalClass[iI"Product:ETI"Enumerator::Product;TI"Enumerator;To:RDoc::Markup::Document:@parts[o;;[
o:RDoc::Markup::Paragraph;[	I"HEnumerator::Product generates a Cartesian product of any number of ;TI"Cenumerable objects.  Iterating over the product of enumerable ;TI"Hobjects is roughly equivalent to nested each_entry loops where the ;TI"4loop for the rightmost object is put innermost.;To:RDoc::Markup::BlankLine�o:RDoc::Markup::Verbatim;[I"@innings = Enumerator::Product.new(1..9, ['top', 'bottom'])
;TI"
;TI"innings.each do |i, h|
;TI"  p [i, h]
;TI"	end
;TI"# [1, "top"]
;TI"# [1, "bottom"]
;TI"# [2, "top"]
;TI"# [2, "bottom"]
;TI"# [3, "top"]
;TI"# [3, "bottom"]
;TI"# ...
;TI"# [9, "top"]
;TI"# [9, "bottom"]
;T:@format0o;	;[I"DThe method used against each enumerable object is `each_entry` ;TI"Cinstead of `each` so that the product of N enumerable objects ;TI"=yields an array of exactly N elements in each iteration.;T@o;	;[I"GWhen no enumerator is given, it calls a given block once yielding ;TI"an empty argument list.;T@o;	;[I"?This type of objects can be created by Enumerator.product.;T:
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