[Haskell-cafe] Library function for map+append

[Eugene Kirpichov]

Hi.
Have you done any measurements that prove that such a function would
indeed increase performance noticeably?

2009/8/18 Dusan Kolar <kolar at fit.vutbr.cz>:
> Hello all,
>
>  During a small project I'm trying to develop a small application. It
> becomes quite often that I need a function mapapp:
>
> mapapp _ [] ap = ap
> mapapp f (a:as) ap = f a : map f as ap
>
>  I tried hoogle to find such a function with no success. Is there any
> function/functions built-in "standard" libraries that could easily satisfy
> the functionality with the same or even better (?) efficiency?
>
>  Of course,
> (map f list) ++ append
>  would do the same as
>
> mapapp f list append
>
>  but with less efficiency. Or am I wrong?
>
>  Thanks
>
>   Dusan
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
>



-- 
Eugene Kirpichov
Web IR developer, market.yandex.ru