rust/src/test/ui/destructuring-assignment/tuple_destructure_fail.rs
Fabian Zaiser 8cf3564310 Add underscore expressions for destructuring assignments
Co-authored-by: varkor <github@varkor.com>
2020-11-14 13:53:12 +00:00

11 lines
345 B
Rust

#![feature(destructuring_assignment)]
const C: i32 = 1;
fn main() {
let (mut a, mut b);
(a, .., b, ..) = (0, 1); //~ ERROR `..` can only be used once per tuple pattern
(a, a, b) = (1, 2); //~ ERROR mismatched types
(C, ..) = (0,1); //~ ERROR invalid left-hand side of assignment
(_,) = (1, 2); //~ ERROR mismatched types
}