error[E0382]: use of moved value: `x` --> $DIR/closures-in-loops.rs:6:9 | LL | fn repreated_move(x: String) { | - move occurs because `x` has type `String`, which does not implement the `Copy` trait LL | for i in 0..10 { LL | || x; | ^^ - use occurs due to use in closure | | | value moved into closure here, in previous iteration of loop error[E0499]: cannot borrow `x` as mutable more than once at a time --> $DIR/closures-in-loops.rs:13:16 | LL | v.push(|| x = String::new()); | - ^^ - borrows occur due to use of `x` in closure | | | | | `x` was mutably borrowed here in the previous iteration of the loop | first borrow used here, in later iteration of loop error[E0524]: two closures require unique access to `x` at the same time --> $DIR/closures-in-loops.rs:20:16 | LL | v.push(|| *x = String::new()); | - ^^ -- borrows occur due to use of `x` in closure | | | | | closures are constructed here in different iterations of loop | first borrow used here, in later iteration of loop error: aborting due to 3 previous errors Some errors have detailed explanations: E0382, E0499, E0524. For more information about an error, try `rustc --explain E0382`.