1#![allow(
2 clippy::blocks_in_conditions,
3 clippy::cast_lossless,
4 clippy::cast_possible_truncation,
5 clippy::enum_glob_use,
6 clippy::manual_find,
7 clippy::manual_let_else,
8 clippy::manual_map,
9 clippy::map_unwrap_or,
10 clippy::module_name_repetitions,
11 clippy::needless_pass_by_value,
12 clippy::range_plus_one,
13 clippy::single_match_else,
14 clippy::struct_field_names,
15 clippy::too_many_lines,
16 clippy::wrong_self_convention
17)]
18
19extern crate proc_macro;
20
21mod ast;
22mod attr;
23mod expand;
24mod fmt;
25mod generics;
26mod prop;
27mod scan_expr;
28mod span;
29mod valid;
30
31use proc_macro::TokenStream;
32use syn::{parse_macro_input, DeriveInput};
33
34#[proc_macro_derive(Error, attributes(backtrace, error, from, source))]
35pub fn derive_error(input: TokenStream) -> TokenStream {
36 let input: DeriveInput = parse_macro_input!(input as DeriveInput);
37 expand::derive(&input).into()
38}
39