mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
12 lines
289 B
Rust
12 lines
289 B
Rust
macro_rules! cbor_map {
|
|
($key:expr) => {
|
|
$key.signum();
|
|
//~^ ERROR can't call method `signum` on ambiguous numeric type `{integer}` [E0689]
|
|
};
|
|
}
|
|
|
|
fn main() {
|
|
cbor_map! { #[cfg(test)] 4};
|
|
//~^ ERROR removing an expression is not supported in this position
|
|
}
|