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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
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