tower_web/error/
never.rs

1use error::Error;
2
3use std::error;
4use std::fmt;
5
6// A crate-private type until we can use !.
7//
8// Being crate-private, we should be able to swap the type out in a
9// backwards compatible way.
10pub enum Never {}
11
12impl From<Never> for Error {
13    fn from(never: Never) -> Error {
14        match never {}
15    }
16}
17
18impl fmt::Debug for Never {
19    fn fmt(&self, _f: &mut fmt::Formatter) -> fmt::Result {
20        match *self {}
21    }
22}
23
24impl fmt::Display for Never {
25    fn fmt(&self, _f: &mut fmt::Formatter) -> fmt::Result {
26        match *self {}
27    }
28}
29
30impl error::Error for Never {
31    fn description(&self) -> &str {
32        match *self {}
33    }
34}
tower_web/error/never.rs

tower_web/error/
never.rs
