rust/tests/ui/macros/issue-106837.stderr

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error: expected a literal
--> $DIR/issue-106837.rs:5:13
|
LL | concat!(-"hello");
| ^^^^^^^^
|
= note: only literals (like `"foo"`, `-42` and `3.14`) can be passed to `concat!()`
error: expected a literal
--> $DIR/issue-106837.rs:8:13
|
LL | concat!(--1);
| ^^^
|
= note: only literals (like `"foo"`, `-42` and `3.14`) can be passed to `concat!()`
error: aborting due to 2 previous errors