// check that existing borrows due to a closure capture give a special note fn move_while_borrowed(x: String) { let f = || x.len(); let y = x; //~ ERROR f.use_ref(); } fn borrow_mut_while_borrowed(mut x: i32) { let f = || x; let y = &mut x; //~ ERROR f.use_ref(); } fn drop_while_borrowed() { let f; { let x = 1; f = || x; //~ ERROR } f.use_ref(); } fn assign_while_borrowed(mut x: i32) { let f = || x; x = 1; //~ ERROR f.use_ref(); } fn copy_while_borrowed_mut(mut x: i32) { let f = || x = 0; let y = x; //~ ERROR f.use_ref(); } fn borrow_while_borrowed_mut(mut x: i32) { let f = || x = 0; let y = &x; //~ ERROR f.use_ref(); } fn borrow_mut_while_borrowed_mut(mut x: i32) { let f = || x = 0; let y = &mut x; //~ ERROR f.use_ref(); } fn drop_while_borrowed_mut() { let f; { let mut x = 1; f = || x = 0; //~ ERROR } f.use_ref(); } fn assign_while_borrowed_mut(mut x: i32) { let f = || x = 0; x = 1; //~ ERROR f.use_ref(); } fn copy_while_borrowed_unique(x: &mut i32) { let f = || *x = 0; let y = x; //~ ERROR f.use_ref(); } fn borrow_while_borrowed_unique(x: &mut i32) { let f = || *x = 0; let y = &x; //~ ERROR f.use_ref(); } fn borrow_mut_while_borrowed_unique(mut x: &mut i32) { let f = || *x = 0; let y = &mut x; //~ ERROR f.use_ref(); } fn drop_while_borrowed_unique() { let mut z = 1; let f; { let x = &mut z; f = || *x = 0; //~ ERROR } f.use_ref(); } fn assign_while_borrowed_unique(x: &mut i32) { let f = || *x = 0; *x = 1; //~ ERROR f.use_ref(); } fn main() {} trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } } impl Fake for T { }