rust/tests/ui/nll/issue-69114-static-mut-ty.rs

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2020-02-13 14:29:30 -06:00
// 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
}
}