rust/tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs

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2020-10-21 06:23:40 -05:00
#![feature(box_patterns)]
#![feature(unsized_fn_params)]
2020-10-21 06:23:40 -05:00
#[allow(dead_code)]
fn f1(box box _b: Box<Box<[u8]>>) {}
//~^ ERROR: the size for values of type `[u8]` cannot be known at compilation time [E0277]
fn f2((_x, _y): (i32, [i32])) {}
//~^ ERROR: the size for values of type `[i32]` cannot be known at compilation time [E0277]
fn main() {
let foo: Box<[u8]> = Box::new(*b"foo");
let _foo: [u8] = *foo;
//~^ ERROR: the size for values of type `[u8]` cannot be known at compilation time [E0277]
}