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|
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro]
pub fn make_edition_macro(_input: TokenStream) -> TokenStream {
"macro_rules! edition {
($_:expr) => {
2024
};
(const {}) => {
2021
};
}
"
.parse()
.unwrap()
}
#[proc_macro]
pub fn make_nested_edition_macro(_input: TokenStream) -> TokenStream {
"macro_rules! make_inner {
() => {
macro_rules! edition_inner {
($_:expr) => {
2024
};
(const {}) => {
2021
};
}
};
}
"
.parse()
.unwrap()
}
|
