rust/src/test/ui/hashmap-lifetimes.nll.stderr

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error[E0502]: cannot borrow `my_stuff` as mutable because it is also borrowed as immutable
--> $DIR/hashmap-lifetimes.rs:18:5
|
LL | let mut it = my_stuff.iter();
| -------- immutable borrow occurs here
LL | my_stuff.insert(1, 43); //~ ERROR cannot borrow
| ^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
LL | it;
| -- borrow later used here
error: aborting due to previous error
For more information about this error, try `rustc --explain E0502`.