to check whether they are equal so that i don't need to make them go through another of my operations to save time. That way it will be cached.
On Friday, February 26, 2016 at 12:16:18 PM UTC-8, Stefan Karpinski wrote: > > Why? > > On Fri, Feb 26, 2016 at 3:14 PM, Julia Tylors <[email protected] > <javascript:>> wrote: > >> This was a nice question, >> i think i am trying to figure out a way to check if 2 functions (partial >> possibly) are at the same syntactic location in the AST and their free >> variables refer to the equal/same data >> >> >> >> On Friday, February 26, 2016 at 12:02:30 PM UTC-8, Stefan Karpinski wrote: >>> >>> What are you trying to discover about these functions? >>> >>> On Fri, Feb 26, 2016 at 2:50 PM, Julia Tylors <[email protected]> >>> wrote: >>> >>>> Isn't there a trick like i can serialize a partial function and then >>>> check their equality in the serialized form? >>>> >>>> On Friday, February 26, 2016 at 11:22:37 AM UTC-8, Stefan Karpinski >>>> wrote: >>>>> >>>>> Functions are compared by identity – they are equal if they are the >>>>> same function, and not otherwise. Comparing functions syntactically is >>>>> shallow and nearly useless. Comparing functions by what they compute is >>>>> undecidable. So identity is essentially the only useful way to compare >>>>> functions. >>>>> >>>>> On Fri, Feb 26, 2016 at 2:09 PM, Julia Tylors <[email protected]> >>>>> wrote: >>>>> >>>>>> Hello, >>>>>> >>>>>> I have a simple question. I like to compare functions. For example: >>>>>> >>>>>> function some_func(x::Target, y::Config, z::Int64) >>>>>> #some code here >>>>>> end >>>>>> >>>>>> #some partialization here >>>>>> f1 = (x::Target,y::Config) -> some_func(x,y,5) >>>>>> f2 = (x::Target,y::Config) -> some_func(x,y,4) >>>>>> >>>>>> >>>>>> I want to evaluate the following expression: >>>>>> >>>>>> f1 == f2 >>>>>> >>>>>> >>>>>> Thanks >>>>>> >>>>> >>>>> >>> >
