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| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2001-02-02 11:38:20 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2001-02-02 11:38:20 +0000 |
| commit | bb85be162005536fd28d19e809dcd58cefc03535 (patch) | |
| tree | 5ea517fae24a858cd204bbbe20e6d695c6472eae /lib/observer.rb | |
| parent | df18df60735df0a883077b09dc408d8f43e4251f (diff) | |
| download | ruby-bb85be162005536fd28d19e809dcd58cefc03535.tar.gz ruby-bb85be162005536fd28d19e809dcd58cefc03535.tar.xz ruby-bb85be162005536fd28d19e809dcd58cefc03535.zip | |
* array.c (rb_ary_sort_bang): returns self, even if its length is
less than 2.
* eval.c (POP_VARS): propagate DVAR_DONT_RECYCLE, if
SCOPE_DONT_RECYCLE of ruby_scope is set.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@1156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/observer.rb')
| -rw-r--r-- | lib/observer.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/observer.rb b/lib/observer.rb index 08e75f512..e1b249e88 100644 --- a/lib/observer.rb +++ b/lib/observer.rb @@ -5,7 +5,7 @@ module Observable def add_observer(observer) @observer_peers = [] unless defined? @observer_peers - unless defined? observer.update + unless observer.respond_to? :update raise NameError, "observer needs to respond to `update'" end @observer_peers.push observer |