def __init__(self, func):
if type(func) is not types.FunctionType and \
type(func) is not types.MethodType:
raise ValueError("Must be a function or method")
Arrow.__init__(self)
self._func = func
def __init__(self, patcher, f):
if not isinstance(patcher, types.FunctionType) and not isinstance(patcher, types.MethodType):
raise ValueError("Patcher must be a function")
if f and (not isinstance(f, types.FunctionType) and
not isinstance(f, types.MethodType)):
raise ValueError("Function must be a function")
Arrow.__init__(self)
self._patcher = patcher
self._func = f
