Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/thread-self/root/proc/self/root/opt/ruby-2.7/usr/share/ri/2.7.0/system/Array/

//proc/thread-self/root/proc/self/root/opt/ruby-2.7/usr/share/ri/2.7.0/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