[Haskell-cafe] Creating an alias for a function

Joe Fredette jfredett at gmail.com
Tue Oct 6 22:03:51 EDT 2009


Well, you can drop the arguments entirely, and let the type be  
inferred to get

     car = head

which is pretty nice. You could use an INLINE hint to make the  
compiler replace it before compilation, though I don't think it would  
change performance much...

/Joe

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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