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#![feature(proc_macro_quote)]
extern crate proc_macro;
use proc_macro::*;
#[proc_macro_attribute]
pub fn attr_tru(_attr: TokenStream, item: TokenStream) -> TokenStream {
let name = item.into_iter().nth(1).unwrap();
quote!(fn $name() -> bool { true })
}
#[proc_macro_attribute]
pub fn attr_identity(_attr: TokenStream, item: TokenStream) -> TokenStream {
quote!($item)
}
#[proc_macro]
pub fn tru(_ts: TokenStream) -> TokenStream {
quote!(true)
}
#[proc_macro]
pub fn ret_tru(_ts: TokenStream) -> TokenStream {
quote!(return true;)
}
#[proc_macro]
pub fn identity(ts: TokenStream) -> TokenStream {
quote!($ts)
}
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