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// Check that closure captures for slice patterns are inferred correctly
fn arr_by_ref(mut x: [String; 3]) {
let f = || {
let [ref y, ref z @ ..] = x;
};
let r = &mut x;
//~^ ERROR cannot borrow
f();
}
fn arr_by_mut(mut x: [String; 3]) {
let mut f = || {
let [ref mut y, ref mut z @ ..] = x;
};
let r = &x;
//~^ ERROR cannot borrow
f();
}
fn arr_by_move(x: [String; 3]) {
let f = || {
let [y, z @ ..] = x;
};
&x;
//~^ ERROR borrow of moved value
}
fn arr_ref_by_ref(x: &mut [String; 3]) {
let f = || {
let [ref y, ref z @ ..] = *x;
};
let r = &mut *x;
//~^ ERROR cannot borrow
f();
}
fn arr_ref_by_uniq(x: &mut [String; 3]) {
let mut f = || {
let [ref mut y, ref mut z @ ..] = *x;
};
let r = &x;
//~^ ERROR cannot borrow
f();
}
fn arr_box_by_move(x: Box<[String; 3]>) {
let f = || {
let [y, z @ ..] = *x;
};
&x;
//~^ ERROR borrow of moved value
}
fn slice_by_ref(x: &mut [String]) {
let f = || {
if let [ref y, ref z @ ..] = *x {}
};
let r = &mut *x;
//~^ ERROR cannot borrow
f();
}
fn slice_by_uniq(x: &mut [String]) {
let mut f = || {
if let [ref mut y, ref mut z @ ..] = *x {}
};
let r = &x;
//~^ ERROR cannot borrow
f();
}
fn main() {
arr_by_ref(Default::default());
arr_by_mut(Default::default());
arr_by_move(Default::default());
arr_ref_by_ref(&mut Default::default());
arr_ref_by_uniq(&mut Default::default());
arr_box_by_move(Default::default());
slice_by_ref(&mut <[_; 3]>::default());
slice_by_uniq(&mut <[_; 3]>::default());
}
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