thiserror_core_impl/
lib.rs

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

thiserror_core_impl/
lib.rs
