rust/src/test/ui/proc-macro/derive-helper-configured.rs

19 lines
334 B
Rust

// Derive helpers are resolved successfully inside `cfg_attr`.
// check-pass
// compile-flats:--cfg TRUE
// aux-build:test-macros.rs
#[macro_use]
extern crate test_macros;
#[cfg_attr(TRUE, empty_helper)]
#[derive(Empty)]
#[cfg_attr(TRUE, empty_helper)]
struct S {
#[cfg_attr(TRUE, empty_helper)]
field: u8,
}
fn main() {}