mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
26 lines
717 B
Rust
26 lines
717 B
Rust
// Attempt to coerce from unsized to sized.
|
|
|
|
#![feature(unsized_tuple_coercion)]
|
|
|
|
struct Fat<T: ?Sized> {
|
|
ptr: T
|
|
}
|
|
|
|
pub fn main() {
|
|
// With a vec of isizes.
|
|
let f1: &Fat<[isize]> = &Fat { ptr: [1, 2, 3] };
|
|
let f2: &Fat<[isize; 3]> = f1;
|
|
//~^ ERROR mismatched types
|
|
//~| expected `&Fat<[isize; 3]>`, found `&Fat<[isize]>`
|
|
//~| expected reference `&Fat<[isize; 3]>`
|
|
//~| found reference `&Fat<[isize]>`
|
|
|
|
// Tuple with a vec of isizes.
|
|
let f1: &([isize],) = &([1, 2, 3],);
|
|
let f2: &([isize; 3],) = f1;
|
|
//~^ ERROR mismatched types
|
|
//~| expected `&([isize; 3],)`, found `&([isize],)`
|
|
//~| expected reference `&([isize; 3],)`
|
|
//~| found reference `&([isize],)`
|
|
}
|