otto_cli/
app_error.rs

1use std::fmt;
2
3#[derive(Debug, Clone, Copy, PartialEq, Eq)]
4pub enum ExitCode {
5    Success = 0,
6    RuntimeFailure = 1,
7    Usage = 2,
8    Internal = 3,
9}
10
11#[derive(Debug)]
12pub struct AppError {
13    code: ExitCode,
14    message: String,
15}
16
17impl AppError {
18    pub fn usage<T: Into<String>>(message: T) -> Self {
19        Self {
20            code: ExitCode::Usage,
21            message: message.into(),
22        }
23    }
24
25    pub fn runtime<T: Into<String>>(message: T) -> Self {
26        Self {
27            code: ExitCode::RuntimeFailure,
28            message: message.into(),
29        }
30    }
31
32    pub fn internal<T: Into<String>>(message: T) -> Self {
33        Self {
34            code: ExitCode::Internal,
35            message: message.into(),
36        }
37    }
38
39    pub fn code(&self) -> i32 {
40        self.code as i32
41    }
42}
43
44impl fmt::Display for AppError {
45    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
46        write!(f, "{}", self.message)
47    }
48}
49
50impl std::error::Error for AppError {}
otto_cli/app_error.rs

otto_cli/
app_error.rs
