Re: [boost] painless currying

Subject: Re: [boost] painless currying
From: Dave Abrahams (dave_at_[hidden])
Date: 2011-08-26 16:24:46

on Fri Aug 26 2011, Larry Evans <cppljevans-AT-suddenlink.net> wrote:

> Since an n-dimensional array can be thought of as a function of
> n indexes, I would think then that subscripting multi-dimensional
> arrays would rub you the wrong way:
>
>   int f[1][1][1];
>
>   f[0] => doesn't return an int
>   f[0][0] => doesn't return an int
>   f[0][0][0] => *does* return an int
>
> Instead, would you prefer the following symmetrical version?
>
>   f[0] => doesn't return an int
>   f[0][0] => doesn't return an int
>   f[0][0][0] => doesn't return an int
>   f[0][0][0]() => *does* return an int

No, sorry, but that's just silly.  Array indexing is entirely
consistent:

   f[0] => returns int(&)[1][1]
   f[0][0] => returns int(&)[1]
   f[0][0][0] => returns int&

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com