diff options
| author | Raymond Hettinger <python@rcn.com> | 2011-02-26 06:53:58 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2011-02-26 06:53:58 (GMT) |
| commit | d032131dcbb781b25756067653185067cbaf983d (patch) | |
| tree | a78236ef99abf634ceda60c2dd5fa88da523c876 /Lib/collections | |
| parent | cb8b94447c2987c97c5bffbf550da882bdcde9f9 (diff) | |
| download | cpython-d032131dcbb781b25756067653185067cbaf983d.zip cpython-d032131dcbb781b25756067653185067cbaf983d.tar.gz cpython-d032131dcbb781b25756067653185067cbaf983d.tar.bz2 | |
Add __bool__ method. Add tests. Fix-up broken test.
Diffstat (limited to 'Lib/collections')
| -rw-r--r-- | Lib/collections/__init__.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index aab5aee..922bba2 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -679,6 +679,9 @@ class ChainMap(MutableMapping): def __contains__(self, key): return any(key in m for m in self.maps) + def __bool__(self): + return any(self.maps) + @_recursive_repr() def __repr__(self): return '{0.__class__.__name__}({1})'.format( |