diff options
Diffstat (limited to 'array.c')
| -rw-r--r-- | array.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -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 |