mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
edafbaffb2
- Either explicitly annotate `let x: () = expr;` where `x` has unit type, or remove the unit binding to leave only `expr;` instead. - Fix disjoint-capture-in-same-closure test
31 lines
626 B
Rust
31 lines
626 B
Rust
// run-pass
|
|
// Issue 483 - Assignment expressions result in nil
|
|
|
|
fn test_assign() {
|
|
let mut x: isize;
|
|
let y: () = x = 10;
|
|
assert_eq!(x, 10);
|
|
assert_eq!(y, ());
|
|
let mut z: () = x = 11;
|
|
assert_eq!(x, 11);
|
|
assert_eq!(z, ());
|
|
z = x = 12;
|
|
assert_eq!(x, 12);
|
|
assert_eq!(z, ());
|
|
}
|
|
|
|
fn test_assign_op() {
|
|
let mut x: isize = 0;
|
|
let y: () = x += 10;
|
|
assert_eq!(x, 10);
|
|
assert_eq!(y, ());
|
|
let mut z: () = x += 11;
|
|
assert_eq!(x, 21);
|
|
assert_eq!(z, ());
|
|
z = x += 12;
|
|
assert_eq!(x, 33);
|
|
assert_eq!(z, ());
|
|
}
|
|
|
|
pub fn main() { test_assign(); test_assign_op(); }
|