| // Test sized-ness checking in substitution within fn bodies.. |
| |
| use std::marker; |
| |
| // Unbounded. |
| fn f1<X: ?Sized>(x: &X) { |
| f2::<X>(x); |
| //~^ ERROR the size for values of type |
| } |
| fn f2<X>(x: &X) { |
| } |
| |
| // Bounded. |
| trait T { |
| fn foo(&self) { } |
| } |
| fn f3<X: ?Sized + T>(x: &X) { |
| f4::<X>(x); |
| //~^ ERROR the size for values of type |
| } |
| fn f4<X: T>(x: &X) { |
| } |
| |
| fn f5<Y>(x: &Y) {} |
| fn f6<X: ?Sized>(x: &X) {} |
| |
| // Test with unsized struct. |
| struct S<X: ?Sized> { |
| x: X, |
| } |
| |
| fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) { |
| f5(x1); |
| //~^ ERROR the size for values of type |
| f6(x2); // ok |
| } |
| |
| // Test some tuples. |
| fn f9<X: ?Sized>(x1: Box<S<X>>) { |
| f5(&(*x1, 34)); |
| //~^ ERROR the size for values of type |
| } |
| |
| fn f10<X: ?Sized>(x1: Box<S<X>>) { |
| f5(&(32, *x1)); |
| //~^ ERROR the size for values of type |
| //~| ERROR the size for values of type |
| } |
| |
| pub fn main() { |
| } |