rsexpr/
error.rs

1use thiserror::Error;
2
3use crate::ParenKind;
4
5/// The default result type. The error variant is a vector of [`Error`](enum@Error)s
6pub type Result<T> = std::result::Result<T, Vec<Error>>;
7
8/// The crate error type.
9#[derive(Debug, Error, PartialEq, Eq)]
10pub enum Error {
11    /// The input is missing a closing parenthesis
12    #[error("missing closing parenthesis `{0}`")]
13    MissingClosingParen(ParenKind),
14
15    /// The input has an unexpected extra closing parenthesis
16    #[error("extra closing parenthesis `{0}`")]
17    ExtraClosingParen(ParenKind),
18
19    /// The input contains no S-expression
20    #[error("input contains no S-expression")]
21    EmptyInput,
22
23    /// The input contains more than one S-expression
24    #[error("input contains more than one S-expression")]
25    ExtraSexprs,
26}