13 lines
232 B
Rust
13 lines
232 B
Rust
// error-pattern:overwriting x will invalidate reference a
|
|
|
|
fn f(a: {x: {mutable x: int}}) -> &{mutable x: int} {
|
|
ret a.x;
|
|
}
|
|
|
|
fn main() {
|
|
let x = {x: {mutable x: 4}};
|
|
let &a = f(x);
|
|
x = {x: {mutable x: 5}};
|
|
a;
|
|
}
|