[rustc.git] / src / test / ui / liveness / liveness-move-call-arg.stderr

error[E0382]: use of moved value: `x`
  --> $DIR/liveness-move-call-arg.rs:9:14
   |
LL |     let x: Box<isize> = Box::new(25);
   |         - move occurs because `x` has type `Box<isize>`, which does not implement the `Copy` trait
LL |
LL |     loop {
   |     ---- inside of this loop
LL |         take(x);
   |              ^ value moved here, in previous iteration of loop
   |
note: consider changing this parameter type in function `take` to borrow instead if owning the value isn't necessary
  --> $DIR/liveness-move-call-arg.rs:1:13
   |
LL | fn take(_x: Box<isize>) {}
   |    ----     ^^^^^^^^^^ this parameter takes ownership of the value
   |    |
   |    in this function
help: consider cloning the value if the performance cost is acceptable
   |
LL |         take(x.clone());
   |               ++++++++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0382`.
Commit	Line	Data
b7449926	1	error[E0382]: use of moved value: `x`
0731742a	2	--> $DIR/liveness-move-call-arg.rs:9:14
b7449926	3	\|
c295e0f8	4	LL \| let x: Box<isize> = Box::new(25);
1b1a35ee	5	\| - move occurs because `x` has type `Box<isize>`, which does not implement the `Copy` trait
487cf647 FG	6	LL \|
	7	LL \| loop {
	8	\| ---- inside of this loop
532ac7d7	9	LL \| take(x);
48663c56	10	\| ^ value moved here, in previous iteration of loop
487cf647 FG	11	\|
	12	note: consider changing this parameter type in function `take` to borrow instead if owning the value isn't necessary
	13	--> $DIR/liveness-move-call-arg.rs:1:13
	14	\|
	15	LL \| fn take(_x: Box<isize>) {}
	16	\| ---- ^^^^^^^^^^ this parameter takes ownership of the value
	17	\| \|
	18	\| in this function
	19	help: consider cloning the value if the performance cost is acceptable
	20	\|
	21	LL \| take(x.clone());
	22	\| ++++++++
b7449926 XL	23
	24	error: aborting due to previous error
	25
	26	For more information about this error, try `rustc --explain E0382`.