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|
struct NotClone;
fn main() {
clone_thing(&NotClone);
}
fn clone_thing(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
nc.clone()
//~^ ERROR mismatched type
//~| NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing2(nc: &NotClone) -> NotClone {
let nc: NotClone = nc.clone();
//~^ ERROR mismatched type
//~| NOTE expected due to this
//~| NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
//~| NOTE expected `NotClone`, found `&NotClone`
nc
}
fn clone_thing3(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let nc = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
nc
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing4(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let nc = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
let nc2 = nc;
nc2
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
impl NotClone {
fn other_fn(&self) {}
fn get_ref_notclone(&self) -> &Self {
self
}
}
fn clone_thing5(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let nc = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
let nc2 = nc;
nc2.other_fn();
let nc3 = nc2;
nc3
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing6(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let (ret, _) = (nc.clone(), 1);
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
let _ = nc.clone();
ret
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing7(nc: Vec<&NotClone>) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let ret = nc[0].clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
ret
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing8(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let ret = {
let a = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
a
};
ret
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing9(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let cl = || nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
let ret = cl();
ret
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing10(nc: &NotClone) -> (NotClone, NotClone) {
let (a, b) = {
let a = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
(a, nc.clone())
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
};
(a, b)
//~^ ERROR mismatched type
//~| ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
//~| NOTE expected `NotClone`, found `&NotClone`
}
fn clone_thing11(nc: &NotClone) -> NotClone {
//~^ NOTE expected `NotClone` because of return type
let a = {
let nothing = nc.clone();
let a = nc.clone();
//~^ NOTE `NotClone` does not implement `Clone`, so `&NotClone` was cloned instead
let nothing = nc.clone();
a
};
a
//~^ ERROR mismatched type
//~| NOTE expected `NotClone`, found `&NotClone`
}
|