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// check-pass
// compile-flags: -Z span-debug
// 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_nonterminal {
($line:expr) => {
#[print_attr_args(a, $line, b)]
struct S;
};
}
// `line!()` is not expanded before it's passed to the proc macro.
pass_nonterminal!(line!());
// Test case from #43860.
#[macro_export]
macro_rules! use_contract {
($name: ident, $path: expr) => {
#[derive(Empty)]
#[empty_helper(path = $path)] // OK
pub struct $name<T, C> {
api: T,
contract: C,
}
};
}
use_contract!(ContractName, file!());
fn main() {}
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