From: Thomas Enebo <Thomas.Enebo@...>
Date: 2008-02-16T05:20:05+09:00
Subject: Re: Proc#curry

Thomas Enebo wrote:
> Gregory Brown wrote:
>> On Fri, Feb 15, 2008 at 1:33 PM, Phlip <phlip2005@gmail.com> wrote:
>>  
>>> Yukihiro Matsumoto wrote:
>>>
>>>  >   proc {|x, y, z| x + y + z }.curry
>>>  >
>>>  > returns the proc object equivalent to
>>>  >
>>>  >   proc {|x| proc {|y| proc {|z| x + y + z } } }
>>>  >
>>>  > See?
>>>
>>>  Uh, how do we call that?
>>>
>>>  oookay - proc{...}.call(x).call(y).call(z)
>>>
>>>  What problem does that solve?
>>>     
>>
>> this one:
>>
>> plus_five = proc { |x,y,z| x, y + z }.curry.call(2).call(3)
>>
>> plus_five[10] #=> 15
>>
>>   
> Also in some languages the 2 + 3 can be optimized to only happen 
> once.   Doesn't look like it will here though?
Ignore the question part of that...I have a minor head code today :)

-Tom