1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

use std::error::Error;

use crate::Exception;

/// View type as an error object.
pub trait AsError {
    /// View type as an error object.
    fn as_error(&self) -> &(dyn Error + Send + Sync + 'static);
}

impl<T: Error + Send + Sync + 'static> AsError for T {
    fn as_error(&self) -> &(dyn Error + Send + Sync + 'static) {
        self
    }
}

impl AsError for dyn Error + Send + Sync + 'static {
    fn as_error(&self) -> &(dyn Error + Send + Sync + 'static) {
        self
    }
}

impl AsError for Exception {
    fn as_error(&self) -> &(dyn Error + Send + Sync + 'static) {
        &**self
    }
}