diff options
| -rw-r--r-- | library/core/src/option.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 4eeb5e43943..6e9b388a2bd 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -703,7 +703,8 @@ impl<T> Option<T> { #[inline] #[track_caller] #[stable(feature = "rust1", since = "1.0.0")] - pub fn expect(self, msg: &str) -> T { + #[rustc_const_unstable(feature = "const_option", issue = "67441")] + pub const fn expect(self, msg: &str) -> T { match self { Some(val) => val, None => expect_failed(msg), @@ -1658,7 +1659,7 @@ impl<T, E> Option<Result<T, E>> { #[inline(never)] #[cold] #[track_caller] -fn expect_failed(msg: &str) -> ! { +const fn expect_failed(msg: &str) -> ! { panic!("{}", msg) } |