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: / proc / self / root / opt / alt / ruby34 / share / ri / system / Array /
Filename : index-i.ri
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U:RDoc::AnyMethod[iI"
index:ETI"Array#index;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"KReturns the zero-based integer index of a specified element, or +nil+.;To:RDoc::Markup::BlankLine�o;
;	[I"(With only argument +object+ given, ;TI"6returns the index of the first element +element+ ;TI"*for which <tt>object == element</tt>:;T@o:RDoc::Markup::Verbatim;	[I"!a = [:foo, 'bar', 2, 'bar']
;TI"a.index('bar') # => 1
;T:@format0o;
;	[I",Returns +nil+ if no such element found.;T@o;
;	[I"With only a block given, ;TI"3calls the block with each successive element; ;TI"Wreturns the index of the first element for which the block returns a truthy value:;T@o;;	[I"!a = [:foo, 'bar', 2, 'bar']
;TI"2a.index {|element| element == 'bar' } # => 1
;T;
0o;
;	[I"=Returns +nil+ if the block never returns a truthy value.;T@o;
;	[I"JWith neither an argument nor a block given, returns a new Enumerator.;T@o;
;	[I"NRelated: see {Methods for Querying}[rdoc-ref:Array@Methods+for+Querying].;T:
@fileI"array.c;T:0@omit_headings_from_table_of_contents_below000[�I"(*args);T@-FI"
Array;TcRDoc::NormalClass0[@0FI"find_index;T