[Haskell-cafe] Specify array or list size?

[Abraham Egnor]

On 5/7/05, Jacob Nelson <jake at jfet.net> wrote:
> 
> GCC knows how big an array is:
> 
> jake$ cat > arrsizetest.c
> #include <stdio.h>
> 
> int main()
> {
>          int a[50];
>          printf("sizeof a == %d\n",sizeof(a));
>          return 0;
> }
> jake$ gcc arrsizetest.c
> jake$ ./a.out
> sizeof a == 200

So does ghc:

import Data.Array

main =
    let a = listArray (0, 49) $ replicate 50 0
    in putStrLn $ "array size == " ++ show (rangeSize $ bounds a)
[abe at catspaw:~/src/test/haskell] $ runghc arrsize.hs
array size == 50

That doesn't mean the size is part of the *type*.

Abe