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#![allow(dangling_pointers_from_temporaries)]
fn main() {
dbg!(String::new().as_ptr());
// ^ no error
#[deny(dangling_pointers_from_temporaries)]
{
dbg!(String::new().as_ptr());
//~^ ERROR a dangling pointer will be produced because the temporary `String` will be dropped
}
S.foo()
}
struct S;
impl S {
#[warn(dangling_pointers_from_temporaries)]
fn foo(self) {
dbg!(String::new().as_ptr());
//~^ WARNING a dangling pointer will be produced because the temporary `String` will be dropped
}
}
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