break!: remove Never in favor of std::convert::Infallible

This change is a backport of 04e6cbe[1] from html5gum.

[1]: https://github.com/untitaker/html5gum/commit/04e6cbe44bb7a388bd61d1c9cfe4c618eb3b0e29

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 {}