30 lines
524 B
Rust
30 lines
524 B
Rust
// Check what token streams proc macros see when interpolated tokens are passed to them as input.
|
|
|
|
//@ check-pass
|
|
//@ edition:2018
|
|
//@ aux-build:test-macros.rs
|
|
|
|
#![no_std] // Don't load unnecessary hygiene information from std
|
|
extern crate std;
|
|
|
|
#[macro_use]
|
|
extern crate test_macros;
|
|
|
|
macro_rules! pass_ident {
|
|
($i:ident) => {
|
|
fn f() {
|
|
print_bang!($i);
|
|
}
|
|
|
|
#[print_attr]
|
|
const $i: u8 = 0;
|
|
|
|
#[derive(Print)]
|
|
struct $i {}
|
|
};
|
|
}
|
|
|
|
pass_ident!(A);
|
|
|
|
fn main() {}
|