[Haskell-cafe] what did I do wrong
corentin.dupont at gmail.com
Sat May 10 12:05:29 UTC 2014
remember that in Haskell argument application is just a space, not using
parenthesis and comma like in some imperative languages.
In Java: myFunc (a, b)
Is equivalent in Haskell to: myfunc a b
so center ((1,2), (3, 4)) is a function applied to only one arguement (a
tuple of tuples)
On Sat, May 10, 2014 at 2:00 PM, Roelof Wobben <r.wobben at home.nl> wrote:
> Mathijs Kwik schreef op 10-5-2014 13:55:
> Roelof Wobben <r.wobben at home.nl> writes:
>>> I have to find the center of 2 points as a assigment for a course on
>>> fpcomplete. This is no homework because I do a self-study.
>>> So I did this:
>>> center (x1,y1) (x2,y2) = ( ((x1+x2)/2),((y1+y2)/2) )
>>> main = print $ center ((1,2), (3, 4))
>> should be:
>> center (x1,y1) (x2,y2) = ( ((x1+x2)/2),((y1+y2)/2) )
>> main = print $ center (1,2) (3, 4)
> as I see you changed the main function but I have to make the center
> function work not change the main function.
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