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opt
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alt
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ruby21
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share
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ri
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2.1.0
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system
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Array
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//opt/alt/ruby21/share/ri/2.1.0/system/Array/index-i.ri
U:RDoc::AnyMethod[iI" index:ETI"Array#index;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [I"NReturns the _index_ of the first object in +ary+ such that the object is ;TI"<code>==</code> to +obj+.;To:RDoc::Markup::BlankLine o; ; [I"LIf a block is given instead of an argument, returns the _index_ of the ;TI"Kfirst object for which the block returns +true+. Returns +nil+ if no ;TI"match is found.;T@o; ; [I"See also Array#rindex.;T@o; ; [I"HAn Enumerator is returned if neither a block nor argument is given.;T@o:RDoc::Markup::Verbatim; [ I"a = [ "a", "b", "c" ] ;TI"%a.index("b") #=> 1 ;TI"'a.index("z") #=> nil ;TI"$a.index { |x| x == "b" } #=> 1;T:@format0: @fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"}ary.index(obj) -> int or nil ary.index { |item| block } -> int or nil ary.index -> Enumerator;T0[ I"(*args);T@!FI" Array;TcRDoc::NormalClass00