[Haskell-cafe] newbe question

[Thomas Davie]

The reason is that you can define =- as on operator

so for example, in this (obfuscated) code:

(=-) x y = x * y

sq y = y =- y

Thus, in your code, you had an operator on the LHS of the definition,  
and the interpreter baulked at it.

Bob

On 27 Sep 2005, at 10:34, feucht at uni-koblenz.de wrote:


> Hi
> i can not load program test1 into hugs, but test2 works.
> Am i missing some special syntax?
>
> greetings,
> Philip
>
> -------------- test1 ------------------
>
> foo :: Maybe Int -> Int
> foo Nothing =-1
> foo (Just a)= a
>
> -------------- test2 ------------------
>
> foo :: Maybe Int -> Int
> foo Nothing = -1
> --           ^
> --           +-- note an extra space
> foo (Just a)= a
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