mirror of https://github.com/rust-lang/rust
120 lines
4.8 KiB
Plaintext
120 lines
4.8 KiB
Plaintext
error[E0499]: cannot borrow `foo.bar1` as mutable more than once at a time
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--> $DIR/borrowck-reborrow-from-mut.rs:13:17
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LL | let _bar1 = &mut foo.bar1;
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| ------------- first mutable borrow occurs here
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LL | let _bar2 = &mut foo.bar1;
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| ^^^^^^^^^^^^^ second mutable borrow occurs here
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LL | use_mut(_bar1);
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| ----- first borrow later used here
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error[E0502]: cannot borrow `foo.bar1` as immutable because it is also borrowed as mutable
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--> $DIR/borrowck-reborrow-from-mut.rs:18:17
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LL | let _bar1 = &mut foo.bar1;
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| ------------- mutable borrow occurs here
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LL | let _bar2 = &foo.bar1;
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| ^^^^^^^^^ immutable borrow occurs here
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LL | use_mut(_bar1);
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| ----- mutable borrow later used here
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error[E0502]: cannot borrow `foo.bar1` as mutable because it is also borrowed as immutable
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--> $DIR/borrowck-reborrow-from-mut.rs:23:17
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LL | let _bar1 = &foo.bar1;
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| --------- immutable borrow occurs here
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LL | let _bar2 = &mut foo.bar1;
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| ^^^^^^^^^^^^^ mutable borrow occurs here
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LL | use_imm(_bar1);
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| ----- immutable borrow later used here
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error[E0499]: cannot borrow `foo.bar1` as mutable more than once at a time
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--> $DIR/borrowck-reborrow-from-mut.rs:45:21
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LL | let _bar1 = &mut foo.bar1;
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| ------------- first mutable borrow occurs here
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LL | match *foo {
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LL | Foo { bar1: ref mut _bar1, bar2: _ } => {}
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| ^^^^^^^^^^^^^ second mutable borrow occurs here
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...
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LL | use_mut(_bar1);
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| ----- first borrow later used here
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error[E0502]: cannot borrow `foo.bar1` as immutable because it is also borrowed as mutable
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--> $DIR/borrowck-reborrow-from-mut.rs:52:17
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LL | let _bar1 = &mut foo.bar1.int1;
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| ------------------ mutable borrow occurs here
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LL | let _foo1 = &foo.bar1;
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| ^^^^^^^^^ immutable borrow occurs here
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LL | let _foo2 = &*foo;
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LL | use_mut(_bar1);
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| ----- mutable borrow later used here
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error[E0502]: cannot borrow `*foo` as immutable because it is also borrowed as mutable
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--> $DIR/borrowck-reborrow-from-mut.rs:53:17
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LL | let _bar1 = &mut foo.bar1.int1;
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| ------------------ mutable borrow occurs here
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LL | let _foo1 = &foo.bar1;
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LL | let _foo2 = &*foo;
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| ^^^^^ immutable borrow occurs here
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LL | use_mut(_bar1);
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| ----- mutable borrow later used here
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error[E0499]: cannot borrow `foo.bar1` as mutable more than once at a time
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--> $DIR/borrowck-reborrow-from-mut.rs:58:17
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LL | let _bar1 = &mut foo.bar1.int1;
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| ------------------ first mutable borrow occurs here
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LL | let _foo1 = &mut foo.bar1;
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| ^^^^^^^^^^^^^ second mutable borrow occurs here
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LL | use_mut(_bar1);
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| ----- first borrow later used here
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error[E0499]: cannot borrow `*foo` as mutable more than once at a time
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--> $DIR/borrowck-reborrow-from-mut.rs:63:17
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LL | let _bar1 = &mut foo.bar1.int1;
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| ------------------ first mutable borrow occurs here
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LL | let _foo2 = &mut *foo;
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| ^^^^^^^^^ second mutable borrow occurs here
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LL | use_mut(_bar1);
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| ----- first borrow later used here
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error[E0502]: cannot borrow `foo.bar1` as mutable because it is also borrowed as immutable
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--> $DIR/borrowck-reborrow-from-mut.rs:68:17
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LL | let _bar1 = &foo.bar1.int1;
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| -------------- immutable borrow occurs here
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LL | let _foo1 = &mut foo.bar1;
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| ^^^^^^^^^^^^^ mutable borrow occurs here
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LL | use_imm(_bar1);
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| ----- immutable borrow later used here
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error[E0502]: cannot borrow `*foo` as mutable because it is also borrowed as immutable
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--> $DIR/borrowck-reborrow-from-mut.rs:73:17
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LL | let _bar1 = &foo.bar1.int1;
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| -------------- immutable borrow occurs here
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LL | let _foo2 = &mut *foo;
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| ^^^^^^^^^ mutable borrow occurs here
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LL | use_imm(_bar1);
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| ----- immutable borrow later used here
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error[E0596]: cannot borrow `foo.bar1` as mutable, as it is behind a `&` reference
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--> $DIR/borrowck-reborrow-from-mut.rs:88:17
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LL | let _bar1 = &mut foo.bar1;
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| ^^^^^^^^^^^^^ `foo` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | fn borrow_mut_from_imm(foo: &mut Foo) {
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| +++
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error: aborting due to 11 previous errors
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Some errors have detailed explanations: E0499, E0502, E0596.
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For more information about an error, try `rustc --explain E0499`.
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