1use proc_macro::TokenStream;
2use quote::ToTokens;
3
4mod optfn;
5mod optstruct;
6
7#[proc_macro_attribute]
8pub fn optfn(_attr: TokenStream, s: TokenStream) -> TokenStream {
9 match syn::parse::<optfn::OptFn>(s) {
10 Err(e) => e.to_compile_error().into(),
11 Ok(s) => s.to_token_stream().into(),
12 }
13}
14
15#[proc_macro_derive(OptStruct, attributes(builder))]
16pub fn optstruct(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
17 match syn::parse::<optstruct::OptStruct>(input) {
18 Err(e) => e.to_compile_error().into(),
19 Ok(s) => s.to_token_stream().into(),
20 }
21}