rust/tests/ui/nll/closure-access-spans.rs
2023-01-11 09:32:08 +00:00

57 lines
1.1 KiB
Rust

// check that accesses due to a closure capture give a special note
fn closure_imm_capture_conflict(mut x: i32) {
let r = &mut x;
|| x; //~ ERROR
r.use_mut();
}
fn closure_mut_capture_conflict(mut x: i32) {
let r = &mut x;
|| x = 2; //~ ERROR
r.use_mut();
}
fn closure_unique_capture_conflict(mut x: &mut i32) {
let r = &mut x;
|| *x = 2; //~ ERROR
r.use_mut();
}
fn closure_copy_capture_conflict(mut x: i32) {
let r = &mut x;
move || x; //~ ERROR
r.use_ref();
}
fn closure_move_capture_conflict(mut x: String) {
let r = &x;
|| x; //~ ERROR
r.use_ref();
}
fn closure_imm_capture_moved(mut x: String) {
let r = x;
|| x.len(); //~ ERROR
}
fn closure_mut_capture_moved(mut x: String) {
let r = x;
|| x = String::new(); //~ ERROR
}
fn closure_unique_capture_moved(x: &mut String) {
let r = x;
|| *x = String::new(); //~ ERROR
}
fn closure_move_capture_moved(x: &mut String) {
let r = x;
|| x; //~ ERROR
}
fn main() {}
trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
impl<T> Fake for T { }