mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 23:12:02 +00:00
22 lines
430 B
Rust
22 lines
430 B
Rust
//@ aux-build:format-string-proc-macro.rs
|
|
|
|
#[macro_use]
|
|
extern crate format_string_proc_macro;
|
|
|
|
macro_rules! identity_mbe {
|
|
($tt:tt) => {
|
|
$tt
|
|
};
|
|
}
|
|
|
|
fn main() {
|
|
let a = 0;
|
|
|
|
format!(identity_pm!("{a}"));
|
|
//~^ ERROR there is no argument named `a`
|
|
format!(identity_mbe!("{a}"));
|
|
//~^ ERROR there is no argument named `a`
|
|
format!(concat!("{a}"));
|
|
//~^ ERROR there is no argument named `a`
|
|
}
|