diff options
Diffstat (limited to 'src/never.rs')
-rw-r--r-- | src/never.rs | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/src/never.rs b/src/never.rs deleted file mode 100644 index 85a1243..0000000 --- a/src/never.rs +++ /dev/null @@ -1,21 +0,0 @@ -use std::error; -use std::fmt; - -/// Definition of an empty enum. -/// -/// This is used as the error type in situations where there can't be an error. A `Result<T, Never>` -/// can be safely unwrapped and the `unwrap()` may be optimized away entirely. -pub enum Never {} - -impl fmt::Display for Never { - fn fmt(&self, _: &mut fmt::Formatter<'_>) -> Result<(), std::fmt::Error> { - match *self {} - } -} -impl fmt::Debug for Never { - fn fmt(&self, _: &mut fmt::Formatter<'_>) -> Result<(), std::fmt::Error> { - match *self {} - } -} - -impl error::Error for Never {} |