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Add From<!> for TryFromIntError

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Andrew Cann
2018-03-15 14:14:48 +08:00
parent 4647156985
commit 15bab452f3
1 changed files with 7 additions and 0 deletions
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7
src/libcore/num/mod.rs
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@@ -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 // no possible bounds violation
macro_rules! try_from_unbounded { macro_rules! try_from_unbounded {
($source:ty, $($target:ty),*) => {$( ($source:ty, $($target:ty),*) => {$(