Add From<!> for TryFromIntError

2018-03-15 14:14:48 +08:00
parent 4647156985
commit 15bab452f3
1 changed files with 7 additions and 0 deletions
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -3595,6 +3595,13 @@ impl fmt::Display for TryFromIntError {
    }
 }

+#[unstable(feature = "try_from", issue = "33417")]
+impl From<!> for TryFromIntError {
+    fn from(never: !) -> TryFromIntError {
+        never
+    }
+}
+
 // no possible bounds violation
 macro_rules! try_from_unbounded {
    ($source:ty, $($target:ty),*) => {$(