fn of() -> @fn(T) { fail; } fn subtype(x: @fn(T)) { fail; } fn test_fn(_x: &x/T, _y: &y/T, _z: &z/T) { // Here, x, y, and z are free. Other letters // are bound. Note that the arrangement // subtype::(of::()) will typecheck // iff T1 <: T2. subtype::( of::()); subtype::( of::()); subtype::( of::()); subtype::( of::()); //~ ERROR mismatched types subtype::( of::()); subtype::( of::()); //~ ERROR mismatched types subtype::( of::()); subtype::( of::()); //~ ERROR mismatched types subtype:: @fn(&a/T)>( of:: @fn(&a/T)>()); subtype:: @fn(&a/T)>( of:: @fn(&b/T)>()); //~ ERROR mismatched types subtype:: @fn(&a/T)>( of:: @fn(&b/T)>()); //~ ERROR mismatched types subtype:: @fn(&b/T)>( of:: @fn(&a/T)>()); } fn main() {}