rust/tests/ui/nll/issue-69114-static-mut-ty.rs
2023-01-11 09:32:08 +00:00

31 lines
585 B
Rust

// Check that borrowck ensures that `static mut` items have the expected type.
static FOO: u8 = 42;
static mut BAR: &'static u8 = &FOO;
static mut BAR_ELIDED: &u8 = &FOO;
fn main() {
unsafe {
println!("{} {}", BAR, BAR_ELIDED);
set_bar();
set_bar_elided();
println!("{} {}", BAR, BAR_ELIDED);
}
}
fn set_bar() {
let n = 42;
unsafe {
BAR = &n;
//~^ ERROR does not live long enough
}
}
fn set_bar_elided() {
let n = 42;
unsafe {
BAR_ELIDED = &n;
//~^ ERROR does not live long enough
}
}