[Haskell-cafe] Creating an alias for a function

Ross Mellgren rmm-haskell at z.odi.ac
Tue Oct 6 22:02:28 EDT 2009


car = head

letting the compiler infer the type, or

car :: [a] -> a
car = head

for the explicit version.

-Ross

On Oct 6, 2009, at 10:01 PM, michael rice wrote:

> How do I create an alias for a function, like giving CAR the same  
> functionality as HEAD. I know I can do it by creating a definition  
> (see below), but is there a better way, like Scheme's
>
> (define head car)
>
> car ::  [a] -> a
> car x = head x
>
> The reason for doing this is to more closely mirror legacy code.
>
> Michael
>
>
>
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