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python curry
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# -*- coding: utf-8 -*- | |
#author: Michał Nowotnik 2015 | |
#public domain | |
def curry(func): | |
argc = func.func_code.co_argcount | |
def wrap(*args, **kwargs): | |
if argc <= len(args)+len(kwargs): | |
return func(*args, **kwargs) | |
fncp = partial(wrap, *args, **kwargs) | |
return fncp | |
return wrap | |
def lazy_curry(func): | |
argc = func.func_code.co_argcount | |
def wrap(*args, **kwargs): | |
if argc <= len(args)+len(kwargs): | |
return partial(func,*args, **kwargs) | |
fncp = partial(wrap, *args, **kwargs) | |
return fncp | |
return wrap | |
def partial(fnc, *args, **kwargs): | |
def wrap(*argsp, **kwargsp): | |
return fnc(*(args+argsp), **dict(kwargs,**kwargsp)) | |
return wrap | |
#Usage | |
''' | |
>>>@lazy_curry | |
... def f(a,b,c): | |
return a+b+c | |
>>>f(1)(2)(3)() | |
6 | |
>>>@curry | |
... def f(a,b,c): | |
return a+b+c | |
>>>f(1)(2)(3) | |
6 | |
''' |
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