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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-09-29 08:43:59 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-09-29 08:43:59 +0000
commit43c4d8093074e4d7c2639a7fd81c889739599b4d (patch)
tree715aba650bcb5a560ff6a283a755214443321d76 /win32/mkexports.rb
parent0d077554723c88f06dd351d29edd2246693e0a42 (diff)
* 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. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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