$ [sudo] pip install accepts- support multiple types argument
- support None argument
- human readable detailed exception message
>>> from accepts import accepts
>>> @accepts(int)
def inc(value):
return value+1
>>> inc(1) # ok
# multiple types
>>> @accepts((int,float))
>>> inc(1.5) # ok
>>> inc("string")
TypeError: inc() argument #0 is not instance of (<class 'int'>, <class 'float'>)
# None
>>> @accepts((int,float,type(None)))