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// Check that the future-compat-lint for the reservation conflict is
// handled like any other lint.
// edition:2018
mod future_compat_allow {
#![allow(mutable_borrow_reservation_conflict)]
fn reservation_conflict() {
let mut v = vec![0, 1, 2];
let shared = &v;
v.push(shared.len());
}
}
mod future_compat_warn {
#![warn(mutable_borrow_reservation_conflict)]
fn reservation_conflict() {
let mut v = vec![0, 1, 2];
let shared = &v;
v.push(shared.len());
//~^ WARNING cannot borrow `v` as mutable
//~| WARNING may become a hard error in the future
}
}
mod future_compat_deny {
#![deny(mutable_borrow_reservation_conflict)]
fn reservation_conflict() {
let mut v = vec![0, 1, 2];
let shared = &v;
v.push(shared.len());
//~^ ERROR cannot borrow `v` as mutable
//~| WARNING may become a hard error in the future
}
}
fn main() {}
|
