error[E0507]: cannot move out of `value`, a captured variable in an `FnMut` closure
--> src/main.rs:18:30
|
-15 | let value = String::from("by key called");
- | ----- captured outer variable
-16 |
-17 | list.sort_by_key(|r| {
- | ______________________-
-18 | | sort_operations.push(value);
- | | ^^^^^ move occurs because `value` has type `String`, which does not implement the `Copy` trait
-19 | | r.width
-20 | | });
- | |_____- captured by this `FnMut` closure
+15 | let value = String::from("by key called");
+ | ----- captured outer variable
+16 |
+17 | list.sort_by_key(|r| {
+ | --- captured by this `FnMut` closure
+18 | sort_operations.push(value);
+ | ^^^^^ move occurs because `value` has type `String`, which does not implement the `Copy` trait
For more information about this error, try `rustc --explain E0507`.
error: could not compile `rectangles` due to previous error