]>
Commit | Line | Data |
---|---|---|
1a4d82fc JJ |
1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // Test `?Sized` local variables. | |
12 | ||
9346a6ac | 13 | trait T {} |
1a4d82fc JJ |
14 | |
15 | fn f1<X: ?Sized>(x: &X) { | |
16 | let _: X; // <-- this is OK, no bindings created, no initializer. | |
9e0c209e | 17 | let _: (isize, (X, isize)); //~ERROR `X: std::marker::Sized` is not satisfie |
54a0048b | 18 | let y: X; //~ERROR `X: std::marker::Sized` is not satisfied |
9e0c209e | 19 | let y: (isize, (X, usize)); |
1a4d82fc JJ |
20 | } |
21 | fn f2<X: ?Sized + T>(x: &X) { | |
54a0048b SL |
22 | let y: X; //~ERROR `X: std::marker::Sized` is not satisfied |
23 | let y: (isize, (X, isize)); //~ERROR `X: std::marker::Sized` is not satisfied | |
1a4d82fc JJ |
24 | } |
25 | ||
26 | fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { | |
54a0048b SL |
27 | let y: X = *x1; //~ERROR `X: std::marker::Sized` is not satisfied |
28 | let y = *x2; //~ERROR `X: std::marker::Sized` is not satisfied | |
29 | let (y, z) = (*x3, 4); //~ERROR `X: std::marker::Sized` is not satisfied | |
1a4d82fc JJ |
30 | } |
31 | fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { | |
54a0048b SL |
32 | let y: X = *x1; //~ERROR `X: std::marker::Sized` is not satisfied |
33 | let y = *x2; //~ERROR `X: std::marker::Sized` is not satisfied | |
34 | let (y, z) = (*x3, 4); //~ERROR `X: std::marker::Sized` is not satisfied | |
1a4d82fc JJ |
35 | } |
36 | ||
54a0048b SL |
37 | fn g1<X: ?Sized>(x: X) {} //~ERROR `X: std::marker::Sized` is not satisfied |
38 | fn g2<X: ?Sized + T>(x: X) {} //~ERROR `X: std::marker::Sized` is not satisfied | |
1a4d82fc JJ |
39 | |
40 | pub fn main() { | |
41 | } |