John,
Regarding your question about higher-order functions - besides the usual
disclaimer that they do not work smoothly...
Currently, we do not support generic functions as higher-order
functions. See if you can make your example work by making foo()
non-generic, i.e. providing a specific domain for the 'arr' formal.
Vassily
>.....
>
> Also I ran into some issues with second order functions.
>
> proc foo(arr: [] 3*uint(8)) {
> writeln("bar");
> }
>
> proc something(arr: [] 3*uint(8), func) {
> func(arr);
> }
>
> var A: [{1..400,1..225}] 3*uint(8);
> something(A, foo);
>
>
> gives me error
>
> src/test2.chpl:11: In function 'something':
> src/test2.chpl:12: error: illegal access of first class function
> [functionResolution.cpp:2448]
>
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