* 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: http://svn.ruby-lang.org/repos/ruby/trunk@13568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 690ce8685..c70dc1644 100644
--- a/string.c
+++ b/string.c
@@ -2872,6 +2872,7 @@ rb_str_inspect(VALUE str)
     char *p, *pend;
     VALUE result = rb_str_buf_new2("");
 
+    rb_enc_associate(result, enc);
     str_cat_char(result, '"', enc);
     p = RSTRING_PTR(str); pend = RSTRING_END(str);
     while (p < pend) {
@@ -2928,7 +2929,6 @@ rb_str_inspect(VALUE str)
     str_cat_char(result, '"', enc);
 
     OBJ_INFECT(result, str);
-    rb_enc_associate(result, enc);
     return result;
 }