java/Ref: add move operator

a52ce7bb · Max Kellermann · Max Kellermann · 16d187b7 · a52ce7bb
Commit a52ce7bb authored Mar 28, 2021 by Max Kellermann Committed by Max Kellermann Apr 06, 2021
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Ref.hxx src/java/Ref.hxx +6 -2

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--- a/src/java/Ref.hxx
+++ b/src/java/Ref.hxx
@@ -68,8 +68,12 @@ namespace Java {
 				env->DeleteLocalRef(value);
 		}
-		LocalRef(const LocalRef &other) = delete;
+		LocalRef &operator=(LocalRef &&src) noexcept {
-		LocalRef &operator=(const LocalRef &other) = delete;
+			using std::swap;
+			swap(env, src.env);
+			swap(value, src.value);
+			return *this;
+		}
 		JNIEnv *GetEnv() const noexcept {
 			return env;