error: expected string literal | |
--> tests/ui/concat-display.rs:8:17 | |
| | |
8 | #[error(concat!("invalid ", $what))] | |
| ^^^^^^ | |
... | |
13 | error_type!(Error, "foo"); | |
| ------------------------- in this macro invocation | |
| | |
= note: this error originates in the macro `error_type` (in Nightly builds, run with -Z macro-backtrace for more info) |