Merge pull request #608 from gvozdvmozgu/update-impl-infallible

add impl `Update` for `std::convert::Infallible`
salsa-rs · Oct 27, 2024 · dfbe6d6 · dfbe6d6
2 parents 5eed7e9 + 8662fc6
commit dfbe6d6
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/update.rs b/src/update.rs
@@ -157,6 +157,12 @@ pub unsafe trait Update {
     unsafe fn maybe_update(old_pointer: *mut Self, new_value: Self) -> bool;
 }
 
+unsafe impl Update for std::convert::Infallible {
+    unsafe fn maybe_update(_old_pointer: *mut Self, new_value: Self) -> bool {
+        match new_value {}
+    }
+}
+
 unsafe impl<T> Update for Vec<T>
 where
     T: Update,