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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -1,3 +1,15 @@ +Sat Sep 29 17:31:04 2007 Yukihiro Matsumoto <matz@ruby-lang.org> + + * array.c (rb_ary_combination): new method to give all combination + of elements from an array. [ruby-list:42671] + + * array.c (rb_ary_product): a new method to get all combinations + of elements from two arrays. can be extended to combinations of + n-arrays, e.g. a.product(b,c,d). anyone volunteer? + + * array.c (rb_ary_permutation): empty function body to calculate + permutations of array elements. need volunteer. + Sat Sep 29 17:14:44 2007 Yukihiro Matsumoto <matz@ruby-lang.org> * marshal.c (r_leave): move proc invocation from r_entry() to |