mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 07:44:10 +00:00
17 lines
423 B
Rust
17 lines
423 B
Rust
#![feature(generators)]
|
|
|
|
fn foo(x: &i32) {
|
|
// In this case, a reference to `b` escapes the generator, but not
|
|
// because of a yield. We see that there is no yield in the scope of
|
|
// `b` and give the more generic error message.
|
|
let mut a = &3;
|
|
let mut b = move || {
|
|
yield();
|
|
let b = 5;
|
|
a = &b;
|
|
//~^ ERROR borrowed data escapes outside of generator
|
|
};
|
|
}
|
|
|
|
fn main() { }
|