Merge pull request #1550 from bendk/uniffi-handle-map-upper-bound

Kotlin: Add an upper-bound for UniFfiHandleMap
mozilla · May 22, 2023 · cb52566 · cb52566
2 parents 71c62d8 + 61a8d21
commit cb52566
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/uniffi_bindgen/src/bindings/kotlin/templates/Helpers.kt b/uniffi_bindgen/src/bindings/kotlin/templates/Helpers.kt
@@ -127,7 +127,7 @@ public class USize(value: Long = 0) : IntegerType(Native.SIZE_T_SIZE, value, tru
 // Rust when it needs an opaque pointer.
 //
 // TODO: refactor callbacks to use this class
-internal class UniFfiHandleMap<T> {
+internal class UniFfiHandleMap<T: Any> {
  private val map = ConcurrentHashMap<USize, T>()
  // Use AtomicInteger for our counter, since we may be on a 32-bit system. 4 billion possible
  // values seems like enough. If somehow we generate 4 billion handles, then this will wrap