error-stack 0.7.0

A context-aware error-handling library that supports arbitrary attached user data
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

use core::{error::Error, fmt};

use error_stack::Report;

#[derive(Debug)]
pub struct RootError;

impl fmt::Display for RootError {
    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        fmt.write_str("root error")
    }
}

impl Error for RootError {}

#[derive(Debug)]
struct NotDisplay;

fn main() {
    let _ = Report::new(RootError).attach(NotDisplay);
}