1 #[cfg(feature = "use_core")]
2 extern crate core;
3 
4 #[macro_use]
5 extern crate derivative;
6 
7 macro_rules! gen {
8     ($name:ident) => {
9         #[derive(Derivative)]
10         #[derivative(Debug)]
11         pub struct $name {
12             a: i32
13         }
14     };
15 }
16 
17 gen!(Test);
18 
main()19 fn main() {}