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: / proc / self / root / opt / alt / ruby34 / share / ri / system / Array /
Filename : sum-i.ri
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U:RDoc::AnyMethod[iI"sum:ETI"Array#sum;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"PWith no block given, returns the sum of +init+ and all elements of +self+; ;TI"7for array +array+ and value +init+, equivalent to:;To:RDoc::Markup::BlankLine�o:RDoc::Markup::Verbatim;	[I"sum = init
;TI",array.each {|element| sum += element }
;TI"	sum
;T:@format0o;
;	[I"QFor example, <tt>[e0, e1, e2].sum</tt> returns <tt>init + e0 + e1 + e2</tt>.;T@o;
;	[I"Examples:;T@o;;	[
I"-[0, 1, 2, 3].sum                 # => 6
;TI"/[0, 1, 2, 3].sum(100)            # => 106
;TI":['abc', 'def', 'ghi'].sum('jkl') # => "jklabcdefghi"
;TI"0[[:foo, :bar], ['foo', 'bar']].sum([2, 3])
;TI"+# => [2, 3, :foo, :bar, "foo", "bar"]
;T;
0o;
;	[I"^The +init+ value and elements need not be numeric, but must all be <tt>+</tt>-compatible:;T@o;;	[I"># Raises TypeError: Array can't be coerced into Integer.
;TI"+[[:foo, :bar], ['foo', 'bar']].sum(2)
;T;
0o;
;	[I"FWith a block given, calls the block with each element of +self+; ;TI"Tthe block's return value (instead of the element itself) is used as the addend:;T@o;;	[I"S['zero', 1, :two].sum('Coerced and concatenated: ') {|element| element.to_s }
;TI"/# => "Coerced and concatenated: zero1two"
;T;
0o;
;	[I"Notes:;T@o:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;	[o;
;	[I"?Array#join and Array#flatten may be faster than Array#sum ;TI"3for an array of strings or an array of arrays.;To;;0;	[o;
;	[I"[Array#sum method may not respect method redefinition of "+" methods such as Integer#+.;T:
@fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"Fsum(init = 0) -> object
sum(init = 0) {|element| ... } -> object
;T0[�I"(*args);T@AFI"
Array;TcRDoc::NormalClass00