rust/tests/ui/typeck/issue-10401.stderr

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error[E0368]: binary assignment operation `+=` cannot be applied to type `&str`
--> $DIR/issue-10401.rs:3:5
|
LL | a += { "b" };
| -^^^^^^^^^^^
| |
| cannot use `+=` on type `&str`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0368`.