// A simple, isolated, example of what the dimexpr-match cases are all about.

#include <collections/array.hfa>

// context excerpted from doc/theses/mike_brooks_MMath/programs/hello-array.cfa
forall( [N] )
array(bool, N) & f( array(float, N) & a, array(float, N) & b ) {}

int main() {
    // adapted from Peter's "why doesn't this one work" email
    array(float, 10) a;
    array(float, 20) b;
    f( a, a );          // these calls ok (no error here; actual success is shown in dimexpr-match)
    f( b, b );

    f( a, b );          // reject with mismatch
}