diff options
author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-22 09:24:49 +0000 |
---|---|---|
committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-22 09:24:49 +0000 |
commit | d2164fc5f2c8d32aaa9a857ca680c8f6d05ed106 (patch) | |
tree | 0676ba93527c8fcd6c04ec5c2efead54ad32a535 /hash.c | |
parent | 76ddadeb1ad5ba049efdd6463bf6169426127985 (diff) |
merge revision(s) 45057,45059: [Backport #9533]
* 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/branches/ruby_2_1@45126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 25 |
1 files changed, 18 insertions, 7 deletions
@@ -67,7 +67,7 @@ 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) @@ -2399,15 +2399,25 @@ rb_hash_flatten(int argc, VALUE *argv, VALUE hash) { VALUE ary; - 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 == 0) return rb_hash_to_a(hash); + + ary = rb_ary_new_capa(RHASH_SIZE(hash) * 2); + rb_hash_foreach(hash, flatten_i, ary); + if (level - 1 > 0) { + *argv = INT2FIX(level - 1); + rb_funcall2(ary, id_flatten_bang, argc, argv); } + else if (level < 0) { + rb_funcall2(ary, id_flatten_bang, 0, 0); + } + } + else { + ary = rb_ary_new_capa(RHASH_SIZE(hash) * 2); + rb_hash_foreach(hash, flatten_i, ary); } + return ary; } @@ -3757,6 +3767,7 @@ 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); |