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author | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-04-15 11:47:54 +0000 |
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committer | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-04-15 11:47:54 +0000 |
commit | bded3bb726d1c2b052d20a1b1398a6ed8eebae6e (patch) | |
tree | 75f3598c1938f48b98000c14dc87cdc03674a21b /array.c | |
parent | 31c1883a54335d4ecad81919d8f9cb7a0fc4ffce (diff) | |
download | ruby-bded3bb726d1c2b052d20a1b1398a6ed8eebae6e.tar.gz |
* array.c (rb_ary_flatten): flatten(0) works as Array#dup.
[ruby-core:23168]
* test/ruby/test_array.rb: add a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -648,6 +648,12 @@ ary_make_partial(VALUE ary, VALUE klass, long offset, long len) } } +static VALUE +ary_make_shared_copy(VALUE ary) +{ + return ary_make_partial(ary, rb_obj_class(ary), 0, RARRAY_LEN(ary)); +} + enum ary_take_pos_flags { ARY_TAKE_FIRST = 0, @@ -3360,7 +3366,7 @@ rb_ary_flatten(int argc, VALUE *argv, VALUE ary) rb_scan_args(argc, argv, "01", &lv); if (!NIL_P(lv)) level = NUM2INT(lv); - if (level == 0) return ary; + if (level == 0) return ary_make_shared_copy(ary); result = flatten(ary, level, &mod); OBJ_INFECT(result, ary); |