ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: opt / alt / ruby34 / share / ri / system / Array

U:RDoc::AnyMethod[iI"	one?:ETI"Array#one?;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"MReturns +true+ if exactly one element of +self+ meets a given criterion.;To:RDoc::Markup::BlankLine�o;
;	[I"cWith no block given and no argument, returns +true+ if +self+ has exactly one truthy element, ;TI"+false+ otherwise:;T@o:RDoc::Markup::Verbatim;	[	I"[nil, 0].one? # => true
;TI"[0, 0].one? # => false
;TI" [nil, nil].one? # => false
;TI"[].one? # => false
;T:@format0o;
;	[I"FWith a block given, calls the block with each element in +self+; ;TI"[returns +true+ if the block a truthy value for exactly one element, +false+ otherwise:;T@o;;	[I"8[0, 1, 2].one? {|element| element > 0 } # => false
;TI"7[0, 1, 2].one? {|element| element > 1 } # => true
;TI"8[0, 1, 2].one? {|element| element > 2 } # => false
;T;
0o;
;	[I"uWith argument +object+ given, returns +true+ if for exactly one element +element+, <tt>object === element</tt>; ;TI"+false+ otherwise:;T@o;;	[I"![0, 1, 2].one?(0) # => true
;TI""[0, 0, 1].one?(0) # => false
;TI""[1, 1, 2].one?(0) # => false
;TI".['food', 'drink'].one?(/bar/) # => false
;TI"-['food', 'drink'].one?(/foo/) # => true
;TI"[].one?(/foo/) # => false
;T;
0o;
;	[I"NRelated: see {Methods for Querying}[rdoc-ref:Array@Methods+for+Querying].;T:
@fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"`one? -> true or false
one? {|element| ... } -> true or false
one?(object) -> true or false
;T0[�I"(*args);T@1FI"
Array;TcRDoc::NormalClass00

[+] ..
[-] assoc-i.ri [edit]
[-] %2d-i.ri [edit]
[-] bsearch_index-i.ri [edit]
[-] collect-i.ri [edit]
[-] last-i.ri [edit]
[-] include%3f-i.ri [edit]
[-] count-i.ri [edit]
[-] size-i.ri [edit]
[-] bsearch-i.ri [edit]
[-] %7c-i.ri [edit]
[-] all%3f-i.ri [edit]
[-] try_convert-c.ri [edit]
[-] %3c%3c-i.ri [edit]
[-] to_s-i.ri [edit]
[-] delete-i.ri [edit]
[-] flatten%21-i.ri [edit]
[-] max-i.ri [edit]
[-] uniq%21-i.ri [edit]
[-] %2a-i.ri [edit]
[-] push-i.ri [edit]
[-] pop-i.ri [edit]
[-] transpose-i.ri [edit]
[-] initialize_copy-i.ri [edit]
[-] first-i.ri [edit]
[-] any%3f-i.ri [edit]
[-] %3c%3d%3e-i.ri [edit]
[-] %5b%5d%3d-i.ri [edit]
[-] prepend-i.ri [edit]
[-] reverse_each-i.ri [edit]
[-] collect%21-i.ri [edit]
[-] each_index-i.ri [edit]
[-] sort-i.ri [edit]
[-] shuffle-i.ri [edit]
[-] to_a-i.ri [edit]
[-] union-i.ri [edit]
[-] flatten-i.ri [edit]
[-] %26-i.ri [edit]
[-] filter-i.ri [edit]
[-] shelljoin-i.ri [edit]
[-] new-c.ri [edit]
[-] reject%21-i.ri [edit]
[-] reverse%21-i.ri [edit]
[-] minmax-i.ri [edit]
[-] difference-i.ri [edit]
[-] sample-i.ri [edit]
[-] fetch_values-i.ri [edit]
[-] fill-i.ri [edit]
[-] reverse-i.ri [edit]
[-] find_index-i.ri [edit]
[-] rotate-i.ri [edit]
[-] fetch-i.ri [edit]
[-] sum-i.ri [edit]
[-] join-i.ri [edit]
[-] min-i.ri [edit]
[-] to_h-i.ri [edit]
[-] to_ary-i.ri [edit]
[-] take_while-i.ri [edit]
[-] repeated_permutation-i.ri [edit]
[-] hash-i.ri [edit]
[-] one%3f-i.ri [edit]
[-] values_at-i.ri [edit]
[-] uniq-i.ri [edit]
[-] product-i.ri [edit]
[-] each-i.ri [edit]
[-] permutation-i.ri [edit]
[-] eql%3f-i.ri [edit]
[-] intersect%3f-i.ri [edit]
[-] slice-i.ri [edit]
[-] append-i.ri [edit]
[-] sort%21-i.ri [edit]
[-] empty%3f-i.ri [edit]
[-] slice%21-i.ri [edit]
[-] keep_if-i.ri [edit]
[-] map-i.ri [edit]
[-] intersection-i.ri [edit]
[-] repeated_combination-i.ri [edit]
[-] sort_by%21-i.ri [edit]
[-] combination-i.ri [edit]
[-] insert-i.ri [edit]
[-] map%21-i.ri [edit]
[-] zip-i.ri [edit]
[-] drop-i.ri [edit]
[-] %5b%5d-i.ri [edit]
[-] shuffle%21-i.ri [edit]
[-] at-i.ri [edit]
[-] reject-i.ri [edit]
[-] shift-i.ri [edit]
[-] filter%21-i.ri [edit]
[-] compact-i.ri [edit]
[-] rassoc-i.ri [edit]
[-] freeze-i.ri [edit]
[-] %2b-i.ri [edit]
[-] drop_while-i.ri [edit]
[-] take-i.ri [edit]
[-] dig-i.ri [edit]
[-] select-i.ri [edit]
[-] cdesc-Array.ri [edit]
[-] cycle-i.ri [edit]
[-] %3d%3d-i.ri [edit]
[-] rotate%21-i.ri [edit]
[-] index-i.ri [edit]
[-] rindex-i.ri [edit]
[-] pack-i.ri [edit]
[-] inspect-i.ri [edit]
[-] select%21-i.ri [edit]
[-] replace-i.ri [edit]
[-] %5b%5d-c.ri [edit]
[-] none%3f-i.ri [edit]
[-] clear-i.ri [edit]
[-] length-i.ri [edit]
[-] concat-i.ri [edit]
[-] unshift-i.ri [edit]
[-] delete_at-i.ri [edit]
[-] delete_if-i.ri [edit]
[-] compact%21-i.ri [edit]