Comply with guide for method doc: array.c (#3474)
Methods considered: length empty? join inspect to_a to_h to_ary reverse! reverse rotate! rotate sort! sort
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2020-08-30 05:16:28 +09:00
Merged-By: BurdetteLamar <BurdetteLamar@Yahoo.com>
95
array.c
95
array.c
@ -2492,10 +2492,7 @@ rb_ary_reverse_each(VALUE ary)
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* call-seq:
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* array.length -> an_integer
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*
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* Returns the count of elements in the array:
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* a = [:foo, 'bar', 2]
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* a.length # => 3
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* [].length # => 0
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* Returns the count of elements in +self+.
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*/
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static VALUE
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@ -2509,10 +2506,8 @@ rb_ary_length(VALUE ary)
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* call-seq:
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* array.empty? -> true or false
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*
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* Returns +true+ if the count of elements in the array is zero,
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* +false+ otherwise:
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* [].empty? # => true
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* [:foo, 'bar', 2].empty? # => false
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* Returns +true+ if the count of elements in +self+ is zero,
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* +false+ otherwise.
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*/
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static VALUE
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@ -2686,21 +2681,15 @@ rb_ary_join(VALUE ary, VALUE sep)
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* - Uses <tt>element.to_s</tt> if +element+ is not a <tt>kind_of?(Array)</tt>.
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* - Uses recursive <tt>element.join(separator)</tt> if +element+ is a <tt>kind_of?(Array)</tt>.
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*
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* Argument +separator+, if given, must be a \String.
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*
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* ---
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*
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* With no argument, joins using the output field separator, <tt>$,</tt>:
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* a = [:foo, 'bar', 2]
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* $, # => nil
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* a.join # => "foobar2"
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*
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* With argument +separator+, joins using that separator:
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* With \string argument +separator+, joins using that separator:
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* a = [:foo, 'bar', 2]
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* a.join("\n") # => "foo\nbar\n2"
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*
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* ---
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*
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* Joins recursively for nested Arrays:
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* a = [:foo, [:bar, [:baz, :bat]]]
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* a.join # => "foobarbazbat"
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@ -2741,19 +2730,13 @@ inspect_ary(VALUE ary, VALUE dummy, int recur)
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/*
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* call-seq:
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* array.inspect -> new_string
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* array.to_s => new_string
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*
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* Array#to_s is an alias for Array#inspect.
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*
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* Returns the new \String formed by calling method <tt>#inspect</tt>
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* on each array element:
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* a = [:foo, 'bar', 2]
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* a.inspect # => "[:foo, \"bar\", 2]"
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*
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* Raises an exception if any element lacks instance method <tt>#inspect</tt>:
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* a = [:foo, 'bar', 2, BasicObject.new]
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* a.inspect
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* # Raises NoMethodError (undefined method `inspect' for #<BasicObject>)
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* Array#to_s is an alias for Array#inspect.
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*/
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static VALUE
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@ -2818,20 +2801,6 @@ rb_ary_to_a(VALUE ary)
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* a = [['foo', 'zero'], ['bar', 'one'], ['baz', 'two']]
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* h = a.to_h
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* h # => {"foo"=>"zero", "bar"=>"one", "baz"=>"two"}
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*
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* ---
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*
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* Raises an exception if no block is given
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* and any element in +self+ is not a 2-element \Array:
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* # Raises TypeError (wrong element type Symbol at 0 (expected array):
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* [:foo].to_h
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* # Raises ArgumentError (wrong array length at 0 (expected 2, was 1)):
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* [[:foo]].to_h
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*
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* Raises an exception if for some 2-element \Array +element+ in +self+,
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* <tt>element.first</tt> would be an invalid hash key:
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* # Raises NoMethodError (undefined method `hash' for #<BasicObject:>):
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* [[BasicObject.new, 0]].to_h
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*/
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static VALUE
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@ -2862,9 +2831,7 @@ rb_ary_to_h(VALUE ary)
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* call-seq:
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* array.to_ary -> self
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*
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* Returns +self+:
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* a = [:foo, 'bar', 2]
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* a.to_ary # => [:foo, "bar", 2]
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* Returns +self+.
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*/
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static VALUE
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@ -2918,7 +2885,7 @@ rb_ary_reverse_bang(VALUE ary)
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* call-seq:
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* array.reverse -> new_array
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*
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* Returns a new \Array whose elements are in reverse order:
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* Returns a new \Array with the elements of +self+ in reverse order.
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* a = ['foo', 'bar', 'two']
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* a1 = a.reverse
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* a1 # => ["two", "bar", "foo"]
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@ -2986,17 +2953,12 @@ rb_ary_rotate(VALUE ary, long cnt)
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*
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* Rotates +self+ in place by moving elements from one end to the other; returns +self+.
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*
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* Argument +count+, if given, must be an \Integer.
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*
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* ---
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*
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* When no argument given, rotates the first element to the last position:
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* a = [:foo, 'bar', 2, 'bar']
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* a.rotate! # => ["bar", 2, "bar", :foo]
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*
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* ---
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*
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* When given a non-negative +count+, rotates +count+ elements from the beginning to the end:
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* When given a non-negative \Integer +count+,
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* rotates +count+ elements from the beginning to the end:
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* a = [:foo, 'bar', 2]
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* a.rotate!(2)
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* a # => [2, :foo, "bar"]
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@ -3011,9 +2973,7 @@ rb_ary_rotate(VALUE ary, long cnt)
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* a.rotate!(0)
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* a # => [:foo, "bar", 2]
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*
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* ---
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*
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* When given a negative +count+, rotates in the opposite direction,
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* When given a negative Integer +count+, rotates in the opposite direction,
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* from end to beginning:
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* a = [:foo, 'bar', 2]
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* a.rotate!(-2)
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@ -3041,18 +3001,13 @@ rb_ary_rotate_bang(int argc, VALUE *argv, VALUE ary)
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* Returns a new \Array formed from +self+ with elements
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* rotated from one end to the other.
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*
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* Argument +count+, if given, must be an \Integer.
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*
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* ---
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* When no argument given, returns a new \Array that is like +self+,
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* except that the first element has been rotated to the last position:
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* a = [:foo, 'bar', 2, 'bar']
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* a1 = a.rotate
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* a1 # => ["bar", 2, "bar", :foo]
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*
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* ---
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*
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* When given a non-negative +count+,
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* When given a non-negative \Integer +count+,
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* returns a new \Array with +count+ elements rotated from the beginning to the end:
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* a = [:foo, 'bar', 2]
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* a1 = a.rotate(2)
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@ -3068,9 +3023,7 @@ rb_ary_rotate_bang(int argc, VALUE *argv, VALUE ary)
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* a1 = a.rotate(0)
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* a1 # => [:foo, "bar", 2]
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*
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* ---
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*
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* When given a negative +count+, rotates in the opposite direction,
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* When given a negative \Integer +count+, rotates in the opposite direction,
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* from end to beginning:
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* a = [:foo, 'bar', 2]
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* a1 = a.rotate(-2)
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@ -3168,8 +3121,6 @@ sort_2(const void *ap, const void *bp, void *dummy)
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*
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* Returns +self+ with its elements sorted in place.
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*
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* ---
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*
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* With no block, compares elements using operator <tt><=></tt>
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* (see Comparable):
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* a = 'abcde'.split('').shuffle
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@ -3177,8 +3128,6 @@ sort_2(const void *ap, const void *bp, void *dummy)
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* a.sort!
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* a # => ["a", "b", "c", "d", "e"]
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*
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* ---
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*
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* With a block, calls the block with each element pair;
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* for each element pair +a+ and +b+, the block should return an integer:
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* - Negative when +b+ is to follow +a+.
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@ -3199,13 +3148,6 @@ sort_2(const void *ap, const void *bp, void *dummy)
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* a # => ["e", "b", "d", "a", "c"]
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* a.sort! {|a, b| 0 }
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* a # => ["d", "e", "c", "a", "b"]
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*
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* ---
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*
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* Raises an exception if the block returns a non-Integer:
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* a = 'abcde'.split('').shuffle
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* # Raises ArgumentError (comparison of Symbol with 0 failed):
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* a1 = a.sort! {|a, b| :foo }
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*/
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VALUE
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@ -3275,10 +3217,6 @@ rb_ary_sort_bang(VALUE ary)
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*
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* Returns a new \Array whose elements are those from +self+, sorted.
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*
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* See also Enumerable#sort_by.
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*
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* ---
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*
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* With no block, compares elements using operator <tt><=></tt>
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* (see Comparable):
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* a = 'abcde'.split('').shuffle
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@ -3286,8 +3224,6 @@ rb_ary_sort_bang(VALUE ary)
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* a1 = a.sort
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* a1 # => ["a", "b", "c", "d", "e"]
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*
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* ---
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*
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* With a block, calls the block with each element pair;
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* for each element pair +a+ and +b+, the block should return an integer:
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* - Negative when +b+ is to follow +a+.
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@ -3309,12 +3245,7 @@ rb_ary_sort_bang(VALUE ary)
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* a1 = a.sort {|a, b| 0 }
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* a1 # => ["c", "e", "b", "d", "a"]
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*
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* ---
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*
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* Raises an exception if the block returns a non-Integer:
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* a = 'abcde'.split('').shuffle
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* # Raises ArgumentError (comparison of Symbol with 0 failed):
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* a1 = a.sort {|a, b| :foo }
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* Related: Enumerable#sort_by.
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*/
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VALUE
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