Document that Array#{&,intersection,intersect?} use hash method [ci skip]

Fixes [Bug #19622]
This commit is contained in:
Jeremy Evans 2023-05-09 02:22:52 -07:00
parent 091d04ccce
commit 986268afae

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@ -5647,7 +5647,8 @@ rb_ary_difference_multi(int argc, VALUE *argv, VALUE ary)
* array & other_array -> new_array
*
* Returns a new \Array containing each element found in both +array+ and \Array +other_array+;
* duplicates are omitted; items are compared using <tt>eql?</tt>:
* duplicates are omitted; items are compared using <tt>eql?</tt>
* (items must also implement +hash+ correctly):
*
* [0, 1, 2, 3] & [1, 2] # => [1, 2]
* [0, 1, 0, 1] & [0, 1] # => [0, 1]
@ -5700,7 +5701,8 @@ rb_ary_and(VALUE ary1, VALUE ary2)
*
* Returns a new \Array containing each element found both in +self+
* and in all of the given Arrays +other_arrays+;
* duplicates are omitted; items are compared using <tt>eql?</tt>:
* duplicates are omitted; items are compared using <tt>eql?</tt>
* (items must also implement +hash+ correctly):
*
* [0, 1, 2, 3].intersection([0, 1, 2], [0, 1, 3]) # => [0, 1]
* [0, 0, 1, 1, 2, 3].intersection([0, 1, 2], [0, 1, 3]) # => [0, 1]
@ -5849,6 +5851,8 @@ rb_ary_union_multi(int argc, VALUE *argv, VALUE ary)
* a.intersect?(b) #=> true
* a.intersect?(c) #=> false
*
* Array elements are compared using <tt>eql?</tt>
* (items must also implement +hash+ correctly).
*/
static VALUE