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author | glass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-20 02:27:30 +0000 |
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committer | glass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-20 02:27:30 +0000 |
commit | f138018e9efc6fb962e591ebe96880d0da8a2236 (patch) | |
tree | b56609dcd0db17e9f0f44d49b142e1f8e56a76e5 /hash.c | |
parent | 2e6b97a45d077979121b29484a8831034d47ef50 (diff) | |
download | ruby-f138018e9efc6fb962e591ebe96880d0da8a2236.tar.gz |
* hash.c (rb_hash_flatten): fix behavior of flatten(-1).
[ruby-dev:47988] [Bug #9533]
* test/ruby/test_array.rb: test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -66,7 +66,7 @@ rb_hash_freeze(VALUE hash) VALUE rb_cHash; static VALUE envtbl; -static ID id_hash, id_yield, id_default; +static ID id_hash, id_yield, id_default, id_flatten_bang; VALUE rb_hash_set_ifnone(VALUE hash, VALUE ifnone) @@ -2377,10 +2377,13 @@ rb_hash_flatten(int argc, VALUE *argv, VALUE hash) ary = rb_ary_new_capa(RHASH_SIZE(hash) * 2); rb_hash_foreach(hash, flatten_i, ary); if (argc) { - int level = NUM2INT(*argv) - 1; - if (level > 0) { - *argv = INT2FIX(level); - rb_funcall2(ary, rb_intern("flatten!"), argc, argv); + int level = NUM2INT(*argv); + if (level - 1 > 0) { + *argv = INT2FIX(level - 1); + rb_funcall2(ary, id_flatten_bang, argc, argv); + } + else if (level == -1) { + rb_funcall2(ary, id_flatten_bang, 0, 0); } } return ary; @@ -3732,6 +3735,7 @@ Init_Hash(void) id_hash = rb_intern("hash"); id_yield = rb_intern("yield"); id_default = rb_intern("default"); + id_flatten_bang = rb_intern("flatten!"); rb_cHash = rb_define_class("Hash", rb_cObject); |