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derailleur_derive/
lib.rs

1use proc_macro::TokenStream;
2use syn::{DeriveInput, parse_macro_input};
3
4mod from_record;
5mod from_records;
6
7#[proc_macro_derive(FromRecord, attributes(field))]
8pub fn derive_from_record(input: TokenStream) -> TokenStream {
9    let input = parse_macro_input!(input as DeriveInput);
10    match from_record::expand_from_record(&input) {
11        Ok(tokens) => tokens,
12        Err(err) => err.to_compile_error().into(),
13    }
14}
15
16#[proc_macro_derive(FromRecords, attributes(record))]
17pub fn derive_from_records(input: TokenStream) -> TokenStream {
18    let input = parse_macro_input!(input as DeriveInput);
19    match from_records::expand_from_records(&input) {
20        Ok(tokens) => tokens,
21        Err(err) => err.to_compile_error().into(),
22    }
23}