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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Test sized-ness checking in substitution within fn bodies..
// Unbounded.
fn f1<X: ?Sized>(x: &X) {
f2::<X>(x);
//~^ ERROR the trait `core::marker::Sized` is not implemented
}
fn f2<X>(x: &X) {
}
// Bounded.
trait T {}
fn f3<X: ?Sized + T>(x: &X) {
f4::<X>(x);
//~^ ERROR the trait `core::marker::Sized` is not implemented
}
fn f4<X: T>(x: &X) {
}
// Test with unsized enum.
enum E<X: ?Sized> {
V(X),
}
fn f5<Y>(x: &Y) {}
fn f6<X: ?Sized>(x: &X) {}
fn f7<X: ?Sized>(x1: &E<X>, x2: &E<X>) {
f5(x1);
//~^ ERROR the trait `core::marker::Sized` is not implemented
f6(x2); // ok
}
// Test with unsized struct.
struct S<X: ?Sized> {
x: X,
}
fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
f5(x1);
//~^ ERROR the trait `core::marker::Sized` is not implemented
f6(x2); // ok
}
// Test some tuples.
fn f9<X: ?Sized>(x1: Box<S<X>>, x2: Box<E<X>>) {
f5(&(*x1, 34));
//~^ ERROR the trait `core::marker::Sized` is not implemented
}
fn f10<X: ?Sized>(x1: Box<S<X>>, x2: Box<E<X>>) {
f5(&(32, *x2));
//~^ ERROR the trait `core::marker::Sized` is not implemented
}
pub fn main() {
}
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