[Haskell-cafe] Rewrite without parenthesis

[Daniel Berecz]

Hi,

Do you want to apply tail and then head on the list?
If so, you can write:

head $ tail [1, 2, 3]

Besides the dollar opeartor there is a dot (.) operator. You can read more
here:
http://stackoverflow.com/questions/940382/haskell-difference-between-dot-and-dollar-sign

Regards,
Daniel

On Thu, Aug 18, 2016 at 2:19 PM Francesco Ariis <fa-ml at ariis.it> wrote:

> On Thu, Aug 18, 2016 at 05:03:21AM -0700, Carl Petersen wrote:
> > How do you rewrite head (tail [1,2,3]) without parenthesis.
>
> Hello Carl, simply
>
>     λ> tail [1,2,3]
>     [2,3]
>
> will do! Haskell is not a Lisp, no need to wrap expressions
> around ().
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