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Edit File: new-c.ri
U:RDoc::AnyMethod[iI"new:ETI"Array::new;TT:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [I"Returns a new array.;To:RDoc::Markup::BlankLine o; ; [ I"OIn the first form, if no arguments are sent, the new array will be empty. ;TI"PWhen a +size+ and an optional +default+ are sent, an array is created with ;TI"S+size+ copies of +default+. Take notice that all elements will reference the ;TI"same object +default+.;T@o; ; [I"LThe second form creates a copy of the array passed as a parameter (the ;TI"<array is generated by calling to_ary on the parameter).;T@o:RDoc::Markup::Verbatim; [ I"%first_array = ["Matz", "Guido"] ;TI" ;TI"Asecond_array = Array.new(first_array) #=> ["Matz", "Guido"] ;TI" ;TI"5first_array.equal? second_array #=> false ;T:@format0o; ; [I"OIn the last form, an array of the given size is created. Each element in ;TI"Mthis array is created by passing the element's index to the given block ;TI""and storing the return value.;T@o;; [I"'Array.new(3) {|index| index ** 2} ;TI"# => [0, 1, 4] ;T; 0S:RDoc::Markup::Heading: leveli: textI"Common gotchas;T@o; ; [I"LWhen sending the second parameter, the same object will be used as the ;TI"&value for all the array elements:;T@o;; [ I" a = Array.new(2, Hash.new) ;TI"# => [{}, {}] ;TI" ;TI"a[0]['cat'] = 'feline' ;TI"3a # => [{"cat"=>"feline"}, {"cat"=>"feline"}] ;TI" ;TI"a[1]['cat'] = 'Felix' ;TI"1a # => [{"cat"=>"Felix"}, {"cat"=>"Felix"}] ;T; 0o; ; [I"NSince all the Array elements store the same hash, changes to one of them ;TI"will affect them all.;T@o; ; [I"DIf multiple copies are what you want, you should use the block ;TI"Fversion which uses the result of that block each time an element ;TI"*of the array needs to be initialized:;T@o;; [I"!a = Array.new(2) {Hash.new} ;TI"a[0]['cat'] = 'feline' ;TI"#a # => [{"cat"=>"feline"}, {}];T; 0: @fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"VArray.new(size=0, default=nil) Array.new(array) Array.new(size) {|index| block } ;T0[ I"(p1 = v1, p2 = v2);T@GFI" Array;TcRDoc::NormalClass00
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