rust/tests/ui/nll/capture-ref-in-struct.rs
2023-01-11 09:32:08 +00:00

37 lines
586 B
Rust

// Test that a structure which tries to store a pointer to `y` into
// `p` (indirectly) fails to compile.
struct SomeStruct<'a, 'b: 'a> {
p: &'a mut &'b i32,
y: &'b i32,
}
fn test() {
let x = 44;
let mut p = &x;
{
let y = 22;
let closure = SomeStruct {
p: &mut p,
y: &y,
//~^ ERROR `y` does not live long enough [E0597]
};
closure.invoke();
}
deref(p);
}
impl<'a, 'b> SomeStruct<'a, 'b> {
fn invoke(self) {
*self.p = self.y;
}
}
fn deref(_: &i32) { }
fn main() { }