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U:RDoc::AnyMethod[iI"new:ETI"Enumerator::Lazy::new;TT:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [
I"OCreates a new Lazy enumerator. When the enumerator is actually enumerated ;TI"N(e.g. by calling #force), +obj+ will be enumerated and each value passed ;TI"Jto the given block. The block can yield values back using +yielder+. ;TI"CFor example, to create a method +filter_map+ in both lazy and ;TI"non-lazy fashions:;To:RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [I"module Enumerable
;TI" def filter_map(&block)
;TI" map(&block).compact
;TI" end
;TI" end
;TI"
;TI"class Enumerator::Lazy
;TI" def filter_map
;TI". Lazy.new(self) do |yielder, *values|
;TI"" result = yield *values
;TI"' yielder << result if result
;TI"
end
;TI" end
;TI" end
;TI"
;TI"G(1..Float::INFINITY).lazy.filter_map{|i| i*i if i.even?}.first(5)
;TI"" # => [4, 16, 36, 64, 100];T:@format0:
@fileI"enumerator.c;T:0@omit_headings_from_table_of_contents_below0I"8Lazy.new(obj, size=nil) { |yielder, *values| ... }
;T0[ I"(*args);T@&FI" Lazy;TcRDoc::NormalClass00