rust/tests/ui/consts/const-multi-ref.rs
2023-01-11 09:32:08 +00:00

25 lines
554 B
Rust

// Ensure that we point the user to the erroneous borrow but not to any subsequent borrows of that
// initial one.
const _: i32 = {
let mut a = 5;
let p = &mut a; //~ ERROR mutable references are not allowed in constants
let reborrow = {p};
let pp = &reborrow;
let ppp = &pp;
***ppp
};
const _: std::cell::Cell<i32> = {
let mut a = std::cell::Cell::new(5);
let p = &a; //~ ERROR borrowed element may contain interior mutability
let reborrow = {p};
let pp = &reborrow;
let ppp = &pp;
a
};
fn main() {}