tinyexpr/
error.rs

1//! Error type for tinyexpr crate.
2
3use std::error::Error;
4use std::fmt;
5use std::result;
6use std::num::ParseFloatError;
7
8/// Result type used throughout the crate.
9pub type Result<T> = result::Result<T, TinyExprError>;
10
11/// Error type for codespawn crate.
12#[derive(Debug)]
13pub enum TinyExprError {
14    /// Parse error
15    Parse(ParseFloatError),
16    /// Any other kind of error
17    Other(String)
18}
19
20impl fmt::Display for TinyExprError {
21    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
22        match *self {
23            TinyExprError::Parse(ref err) => err.fmt(f),
24            TinyExprError::Other(ref err) => err.fmt(f)
25        }
26    }
27}
28
29impl Error for TinyExprError {
30    fn description(&self) -> &str {
31        match *self {
32            TinyExprError::Parse(ref err) => err.description(),
33            TinyExprError::Other(ref err) => err
34        }
35    }
36}
37
38impl From<String> for TinyExprError {
39    fn from(err: String) -> TinyExprError {
40        TinyExprError::Other(err)
41    }
42}
43
44impl From<ParseFloatError> for TinyExprError {
45    fn from(err: ParseFloatError) -> TinyExprError {
46        TinyExprError::Parse(err)
47    }
48}
tinyexpr/error.rs

tinyexpr/
error.rs
