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error[E0502]: cannot borrow `vec` as immutable because it is also borrowed as mutable
--> $DIR/suggest-local-var-for-vector.rs:3:9
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LL | vec[vec.len() - 1] = 123;
| ----^^^^^^^^^-----
| | |
| | immutable borrow occurs here
| mutable borrow occurs here
| mutable borrow later used here
|
help: try adding a local storing this...
--> $DIR/suggest-local-var-for-vector.rs:3:9
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LL | vec[vec.len() - 1] = 123;
| ^^^^^^^^^
help: ...and then using that local here
--> $DIR/suggest-local-var-for-vector.rs:3:5
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LL | vec[vec.len() - 1] = 123;
| ^^^^^^^^^^^^^^^^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0502`.
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