[Haskell-beginners] List operations

[jianqiuchi at gmail.com]

OK, I see. Thanks a lot.

Cheers, =)

，Felipe Almeida Lessa <felipe.lessa at gmail.com>撰写：
> On Thu, May 19, 2011 at 11:05 AM, jianqiuchi at gmail.com> wrote:

> > I have a question about the cost of list comprehension and map function.

> >

> > For example, I have a list of Double and I want to do lots of  
> calculation on

> > it. There are two ways to do that:

> > 1. [x ** 3 | x
> > 2. map (flip (**) 3) list

> > I am wondering if the cost of using them could be very different and  
> why.



> List comprehensions are just syntatic sugar. You should expect both

> (1) and (2) to be exactly the same when compiling.



> Cheers, =)



> --

> Felipe.


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