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d68f2a6b71
```
error[E0382]: use of moved value: `t`
--> $DIR/use_of_moved_value_copy_suggestions.rs:7:9
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
...
LL | (t, t)
| - ^ value used here after move
| |
| value moved here
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help: if `T` implemented `Clone`, you could clone the value
--> $DIR/use_of_moved_value_copy_suggestions.rs:4:16
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| ^ consider constraining this type parameter with `Clone`
...
LL | (t, t)
| - you could clone this value
help: consider restricting type parameter `T`
|
LL | fn duplicate_t<T: Copy>(t: T) -> (T, T) {
| ++++++
```
The `help` is new. On ADTs, we also extend the output with span labels:
```
error[E0507]: cannot move out of static item `FOO`
--> $DIR/issue-17718-static-move.rs:6:14
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LL | let _a = FOO;
| ^^^ move occurs because `FOO` has type `Foo`, which does not implement the `Copy` trait
|
note: if `Foo` implemented `Clone`, you could clone the value
--> $DIR/issue-17718-static-move.rs:1:1
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LL | struct Foo;
| ^^^^^^^^^^ consider implementing `Clone` for this type
...
LL | let _a = FOO;
| --- you could clone this value
help: consider borrowing here
|
LL | let _a = &FOO;
| +
```
102 lines
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102 lines
3.3 KiB
Plaintext
error[E0505]: cannot move out of `a` because it is borrowed
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--> $DIR/variance-issue-20533.rs:35:14
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LL | let a = AffineU32(1);
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| - binding `a` declared here
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LL | let x = foo(&a);
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| -- borrow of `a` occurs here
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LL | drop(a);
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| ^ move out of `a` occurs here
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LL | drop(x);
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| - borrow later used here
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note: if `AffineU32` implemented `Clone`, you could clone the value
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--> $DIR/variance-issue-20533.rs:26:1
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LL | struct AffineU32(u32);
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| ^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | let x = foo(&a);
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| -- you could clone this value
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error[E0505]: cannot move out of `a` because it is borrowed
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--> $DIR/variance-issue-20533.rs:41:14
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LL | let a = AffineU32(1);
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| - binding `a` declared here
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LL | let x = bar(&a);
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| -- borrow of `a` occurs here
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LL | drop(a);
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| ^ move out of `a` occurs here
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LL | drop(x);
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| - borrow later used here
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note: if `AffineU32` implemented `Clone`, you could clone the value
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--> $DIR/variance-issue-20533.rs:26:1
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LL | struct AffineU32(u32);
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| ^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | let x = bar(&a);
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| -- you could clone this value
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error[E0505]: cannot move out of `a` because it is borrowed
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--> $DIR/variance-issue-20533.rs:47:14
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LL | let a = AffineU32(1);
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| - binding `a` declared here
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LL | let x = baz(&a);
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| -- borrow of `a` occurs here
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LL | drop(a);
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| ^ move out of `a` occurs here
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LL | drop(x);
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| - borrow later used here
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note: if `AffineU32` implemented `Clone`, you could clone the value
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--> $DIR/variance-issue-20533.rs:26:1
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LL | struct AffineU32(u32);
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| ^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | let x = baz(&a);
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| -- you could clone this value
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error[E0505]: cannot move out of `a` because it is borrowed
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--> $DIR/variance-issue-20533.rs:53:14
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LL | let a = AffineU32(1);
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| - binding `a` declared here
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LL | let x = bat(&a);
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| -- borrow of `a` occurs here
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LL | drop(a);
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| ^ move out of `a` occurs here
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LL | drop(x);
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| - borrow later used here
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help: consider cloning the value if the performance cost is acceptable
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LL | let x = bat(&a).clone();
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| ++++++++
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error[E0505]: cannot move out of `a` because it is borrowed
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--> $DIR/variance-issue-20533.rs:59:14
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LL | let a = ClonableAffineU32(1);
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| - binding `a` declared here
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LL | let x = foo(&a);
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| -- borrow of `a` occurs here
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LL | drop(a);
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| ^ move out of `a` occurs here
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LL | drop(x);
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| - borrow later used here
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help: consider cloning the value if the performance cost is acceptable
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LL - let x = foo(&a);
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LL + let x = foo(a.clone());
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error: aborting due to 5 previous errors
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For more information about this error, try `rustc --explain E0505`.
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