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ri
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2.7.0
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Enumerator
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feed-i.ri
U:RDoc::AnyMethod[iI" feed:ETI"Enumerator#feed;TF: publico:RDoc::Markup::Document: @parts[ o: RDoc::Markup::Paragraph; [I"@Sets the value to be returned by the next yield inside +e+.;To: RDoc::Markup::BlankLine o; ; [I"4If the value is not set, the yield returns nil.;T@o; ; [I"/This value is cleared after being yielded.;T@o:RDoc::Markup::Verbatim; ['I"I# Array#map passes the array's elements to "yield" and collects the ;TI"'# results of "yield" as an array. ;TI"K# Following example shows that "next" returns the passed elements and ;TI"F# values passed to "feed" are collected as an array which can be ;TI")# obtained by StopIteration#result. ;TI"e = [1,2,3].map ;TI" p e.next #=> 1 ;TI"e.feed "a" ;TI" p e.next #=> 2 ;TI"e.feed "b" ;TI" p e.next #=> 3 ;TI"e.feed "c" ;TI" begin ;TI" e.next ;TI"rescue StopIteration ;TI", p $!.result #=> ["a", "b", "c"] ;TI" end ;TI" ;TI"o = Object.new ;TI"def o.each ;TI"& x = yield # (2) blocks ;TI"( p x # (5) => "foo" ;TI"& x = yield # (6) blocks ;TI"& p x # (8) => nil ;TI"& x = yield # (9) blocks ;TI": p x # not reached w/o another e.next ;TI" end ;TI" ;TI"e = o.to_enum ;TI" e.next # (1) ;TI" e.feed "foo" # (3) ;TI" e.next # (4) ;TI" e.next # (7) ;TI" # (10);T: @format0: @fileI"enumerator.c;T:0@omit_headings_from_table_of_contents_below0I"e.feed obj -> nil ;T0[ I" (p1);T@9FI"Enumerator;TcRDoc::NormalClass00