Re: [Python-ideas] A function currying decorator ((Was: no subject))
So you're referring to function currying, correct? I changed the thread title to reflect that. -- Ryan [ERROR]: Your autotools build scripts are 200 lines longer than your program. Something’s wrong. http://kirbyfan64.github.io/ On May 31, 2016 8:04 AM, "Yongsheng Cheng" <cyscoyote@gmail.com> wrote: to begin with: i a deep python fun i want to suguest python a feature to support Fuctional Program :,here is the toy code i need a more powerful decrote in moudle functools instead of functools.partial,thanks do you think it is a nice idea? waitting for your reply def minpara(func_1,args): num=0 try: func_1(*args) except Exception as error: num,given=re.findall(r'\d+',str(error))[:2] if num: #return int(num),int(given) return (num,given) else: #return func(*args) return (0,0) def curried(func): #@wraps(func) def new_func(*args): num,given=minpara(func,args) #print num,given if (num,given)==(0,0): return func(*args) else: return curried(functools.partial(func,*args)) return new_func @curried def sun_1(a,b,c): return a+b+c @curried def sun_2(a,b,c): return a*b*c if __name__=="__main__": print sun_2(1,)(2)(44) print sun_1(1,)(2)(44) print sun_2(1,2)(23) _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
Yes, that's what I meant. thanks and do you think we need such decorate in funtools? wiatting for reply Ryan Gonzalez <rymg19@gmail.com>于2016年5月31日周二 下午11:35写道：
So you're referring to function currying, correct? I changed the thread title to reflect that.
-- Ryan [ERROR]: Your autotools build scripts are 200 lines longer than your program. Something’s wrong. http://kirbyfan64.github.io/ On May 31, 2016 8:04 AM, "Yongsheng Cheng" <cyscoyote@gmail.com> wrote:
to begin with: i a deep python fun i want to suguest python a feature to support Fuctional Program :,here is the toy code i need a more powerful decrote in moudle functools instead of functools.partial,thanks do you think it is a nice idea? waitting for your reply
def minpara(func_1,args): num=0 try: func_1(*args) except Exception as error: num,given=re.findall(r'\d+',str(error))[:2] if num: #return int(num),int(given) return (num,given) else: #return func(*args) return (0,0)
def curried(func): #@wraps(func) def new_func(*args): num,given=minpara(func,args) #print num,given if (num,given)==(0,0): return func(*args) else: return curried(functools.partial(func,*args)) return new_func @curried def sun_1(a,b,c): return a+b+c @curried def sun_2(a,b,c): return a*b*c if __name__=="__main__": print sun_2(1,)(2)(44) print sun_1(1,)(2)(44) print sun_2(1,2)(23)
_______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
It requires downloading a 3rd party package, but both toolz and funcy provide curry classes/functions which can decorate a function and create a function that is automatically curried. - Ed
On May 31, 2016, at 11:59 AM, Yongsheng Cheng <cyscoyote@gmail.com <mailto:cyscoyote@gmail.com>> wrote:
Yes, that's what I meant. thanks and do you think we need such decorate in funtools? wiatting for reply
Ryan Gonzalez <rymg19@gmail.com <mailto:rymg19@gmail.com>>于2016年5月31日周二 下午11:35写道： So you're referring to function currying, correct? I changed the thread title to reflect that.
-- Ryan [ERROR]: Your autotools build scripts are 200 lines longer than your program. Something’s wrong. http://kirbyfan64.github.io/ <http://kirbyfan64.github.io/> On May 31, 2016 8:04 AM, "Yongsheng Cheng" <cyscoyote@gmail.com <mailto:cyscoyote@gmail.com>> wrote: to begin with: i a deep python fun i want to suguest python a feature to support Fuctional Program :,here is the toy code i need a more powerful decrote in moudle functools instead of functools.partial,thanks do you think it is a nice idea? waitting for your reply
On May 31, 2016, at 11:59 AM, Yongsheng Cheng <cyscoyote@gmail.com> wrote:
Yes, that's what I meant. thanks and do you think we need such decorate in funtools? wiatting for reply
Ryan Gonzalez <rymg19@gmail.com <mailto:rymg19@gmail.com>>于2016年5月31日周二 下午11:35写道： So you're referring to function currying, correct? I changed the thread title to reflect that.
-- Ryan [ERROR]: Your autotools build scripts are 200 lines longer than your program. Something’s wrong. http://kirbyfan64.github.io/ <http://kirbyfan64.github.io/> On May 31, 2016 8:04 AM, "Yongsheng Cheng" <cyscoyote@gmail.com <mailto:cyscoyote@gmail.com>> wrote: to begin with: i a deep python fun i want to suguest python a feature to support Fuctional Program :,here is the toy code i need a more powerful decrote in moudle functools instead of functools.partial,thanks do you think it is a nice idea? waitting for your reply
def minpara(func_1,args): num=0 try: func_1(*args) except Exception as error: num,given=re.findall(r'\d+',str(error))[:2] if num: #return int(num),int(given) return (num,given) else: #return func(*args) return (0,0)
def curried(func): #@wraps(func) def new_func(*args): num,given=minpara(func,args) #print num,given if (num,given)==(0,0): return func(*args) else: return curried(functools.partial(func,*args)) return new_func @curried def sun_1(a,b,c): return a+b+c @curried def sun_2(a,b,c): return a*b*c if __name__=="__main__": print sun_2(1,)(2)(44) print sun_1(1,)(2)(44) print sun_2(1,2)(23)
_______________________________________________ Python-ideas mailing list Python-ideas@python.org <mailto:Python-ideas@python.org> https://mail.python.org/mailman/listinfo/python-ideas <https://mail.python.org/mailman/listinfo/python-ideas> Code of Conduct: http://python.org/psf/codeofconduct/ <http://python.org/psf/codeofconduct/> _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
participants (3)
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Ed Minnix -
Ryan Gonzalez -
Yongsheng Cheng