rust/tests/ui/array-slice-vec/suggest-array-length.rs
2024-02-16 20:02:50 +00:00

27 lines
1.4 KiB
Rust

//@ run-rustfix
#![allow(unused_variables, dead_code, non_upper_case_globals)]
fn main() {
const Foo: [i32; _] = [1, 2, 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
const REF_FOO: &[u8; _] = &[1];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
let foo: [i32; _] = [1, 2, 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
let bar: [i32; _] = [0; 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
let ref_foo: &[i32; _] = &[1, 2, 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
let ref_bar: &[i32; _] = &[0; 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
let multiple_ref_foo: &&[i32; _] = &&[1, 2, 3];
//~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
//~| ERROR using `_` for array lengths is unstable
}