diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-09-20 11:12:38 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-09-20 11:12:38 +0000 |
| commit | 45d62ec988a3d3937c7a18c5dfc7fc5449347438 (patch) | |
| tree | 24c16a87eea744005e73d78f8b009e177f1a387b /NEWS | |
| parent | 495879221c233d54f359f1f8f8832ce5b68d1d25 (diff) | |
describe "0.class == Integer" to detect the feature.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -158,7 +158,8 @@ with all sufficient information, see the ChangeLog file or Redmine So obj.kind_of?(Fixnum) works as obj.kind_of?(Integer). At C-level, Fixnum object and Bignum object should be distinguished by FIXNUM_P(obj) and RB_TYPE_P(obj, T_BIGNUM). - RUBY_INTEGER_UNIFICATION can be used to detect this feature. + RUBY_INTEGER_UNIFICATION can be used to detect this feature at C-level. + 0.class == Integer can be used to detect this feature at Ruby-level. ruby-2.4.0-preview1 (temporally) removes rb_cFixnum and rb_cBignum to check the effect of incompatibility. (rb_cFixnum and rb_cBignum may be defined as rb_cInteger later if |