b3a47d9b6b
This commit desugars the drop and replace deriving from an assignment at MIR build, avoiding the construction of the DropAndReplace terminator (which will be removed in a followign PR) In order to retain the same error messages for replaces a new DesugaringKind::Replace variant is introduced.
126 lines
3.8 KiB
Plaintext
126 lines
3.8 KiB
Plaintext
error[E0506]: cannot assign to `vec[_]` because it is borrowed
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--> $DIR/borrowck-vec-pattern-nesting.rs:9:13
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LL | [box ref _a, _, _] => {
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| ------ `vec[_]` is borrowed here
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LL |
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LL | vec[0] = Box::new(4);
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| ^^^^^^ `vec[_]` is assigned to here but it was already borrowed
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...
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LL | _a.use_ref();
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| ------------ borrow later used here
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error[E0506]: cannot assign to `vec[_]` because it is borrowed
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--> $DIR/borrowck-vec-pattern-nesting.rs:24:13
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LL | &mut [ref _b @ ..] => {
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| ------ `vec[_]` is borrowed here
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LL |
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LL | vec[0] = Box::new(4);
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| ^^^^^^ `vec[_]` is assigned to here but it was already borrowed
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...
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LL | _b.use_ref();
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| ------------ borrow later used here
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:36:11
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LL | match vec {
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| ^^^ cannot move out of here
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...
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LL | &mut [_a,
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| --
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| |
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| data moved here
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| move occurs because `_a` has type `Box<isize>`, which does not implement the `Copy` trait
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help: consider removing the mutable borrow
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LL - &mut [_a,
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LL + [_a,
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:48:13
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LL | let a = vec[0];
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let a = &vec[0];
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| +
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:57:11
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LL | match vec {
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| ^^^ cannot move out of here
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...
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LL | _b] => {}
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| --
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| |
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| data moved here
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| move occurs because `_b` has type `Box<isize>`, which does not implement the `Copy` trait
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help: consider removing the mutable borrow
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LL - &mut [
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LL + [
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:67:13
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LL | let a = vec[0];
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let a = &vec[0];
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| +
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:76:11
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LL | match vec {
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| ^^^ cannot move out of here
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...
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LL | &mut [_a, _b, _c] => {}
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| -- -- -- ...and here
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| | |
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| | ...and here
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| data moved here
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= note: move occurs because these variables have types that don't implement the `Copy` trait
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help: consider removing the mutable borrow
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LL - &mut [_a, _b, _c] => {}
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LL + [_a, _b, _c] => {}
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error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
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--> $DIR/borrowck-vec-pattern-nesting.rs:87:13
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LL | let a = vec[0];
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let a = &vec[0];
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| +
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error: aborting due to 8 previous errors
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Some errors have detailed explanations: E0506, E0508.
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For more information about an error, try `rustc --explain E0506`.
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