U:RDoc::AnyMethod[iI"
union:ETI"Array#union;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"WSet Union --- Returns a new array by joining <code>other_ary</code>s with +self+, ;TI"Mexcluding any duplicates and preserving the order from the given arrays.;To:RDoc::Markup::BlankLineo;
;	[I"MIt compares elements using their #hash and #eql? methods for efficiency.;T@o:RDoc::Markup::Verbatim;	[I"P[ "a", "b", "c" ].union( [ "c", "d", "a" ] )    #=> [ "a", "b", "c", "d" ]
;TI"P[ "a" ].union( ["e", "b"], ["a", "c", "b"] )    #=> [ "a", "e", "b", "c" ]
;TI"[ "a" ].union #=> [ "a" ]
;T:@format0o;
;	[I"See also Array#|.;T:
@fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"9ary.union(other_ary1, other_ary2, ...)   -> new_ary
;T0[I"(*args);T@FI"
Array;TcRDoc::NormalClass00