//@ force-host | |
//@ no-prefer-dynamic | |
#![crate_type = "proc-macro"] | |
extern crate proc_macro; | |
use proc_macro::TokenStream; | |
macro_rules! make_derives { | |
($($name:ident),*) => { | |
$( | |
#[proc_macro_derive($name)] | |
pub fn $name(input: TokenStream) -> TokenStream { | |
println!("Derive {}: {}", stringify!($name), input); | |
TokenStream::new() | |
} | |
)* | |
} | |
} | |
make_derives!(First, Second, Third, Fourth, Fifth); |