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Add __contains__ method 

Fixes #471
This commit is contained in:
ZyX 2013-05-01 23:56:49 +04:00
parent 98b7ed2950
commit ba33c327f5
1 changed files with 8 additions and 0 deletions
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8
powerline/bindings/zsh/__init__.py
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@ -76,6 +76,14 @@ class Environment(object):
except IndexError: except IndexError:
return default return default
@staticmethod
def __contains__(key):
try:
zsh.getvalue(key)
return True
except IndexError:
return False
environ = Environment() environ = Environment()