dirtyqueue_derive/lib.rs
1use proc_macro::TokenStream;
2use quote::quote;
3use syn::{DeriveInput, parse_macro_input};
4
5/// Deriving will add concrete implementations for select traits that are necessary for a struct
6/// derived in this way to be used as a DirtyQueue generic.
7#[proc_macro_derive(DirtyQueue)]
8pub fn derive(input: TokenStream) -> TokenStream {
9 let input = parse_macro_input!(input as DeriveInput);
10 let name = input.ident;
11
12 let expanded = quote! {
13 impl crate::IO for #name {}
14 };
15
16 TokenStream::from(expanded)
17}