9 files changed, 16 insertions, 37 deletions

diff --git a/core/math/audio_frame.h b/core/math/audio_frame.h
index a5616b8d79..4a11b99fe8 100644
--- a/core/math/audio_frame.h
+++ b/core/math/audio_frame.h
@@ -124,10 +124,9 @@ struct AudioFrame {
 		r = p_frame.r;
 	}
 
-	_ALWAYS_INLINE_ AudioFrame &operator=(const AudioFrame &p_frame) {
+	_ALWAYS_INLINE_ void operator=(const AudioFrame &p_frame) {
 		l = p_frame.l;
 		r = p_frame.r;
-		return *this;
 	}
 
 	_ALWAYS_INLINE_ operator Vector2() const {
diff --git a/core/math/quaternion.h b/core/math/quaternion.h
index d8d0c06672..457d167516 100644
--- a/core/math/quaternion.h
+++ b/core/math/quaternion.h
@@ -134,12 +134,11 @@ public:
 			w(p_q.w) {
 	}
 
-	Quaternion &operator=(const Quaternion &p_q) {
+	void operator=(const Quaternion &p_q) {
 		x = p_q.x;
 		y = p_q.y;
 		z = p_q.z;
 		w = p_q.w;
-		return *this;
 	}
 
 	Quaternion(const Vector3 &v0, const Vector3 &v1) // shortest arc
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index 320aae2ba4..8d1f610578 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -130,9 +130,8 @@ Char16String &Char16String::operator+=(char16_t p_char) {
 	return *this;
 }
 
-Char16String &Char16String::operator=(const char16_t *p_cstr) {
+void Char16String::operator=(const char16_t *p_cstr) {
 	copy_from(p_cstr);
-	return *this;
 }
 
 const char16_t *Char16String::get_data() const {
@@ -186,9 +185,8 @@ CharString &CharString::operator+=(char p_char) {
 	return *this;
 }
 
-CharString &CharString::operator=(const char *p_cstr) {
+void CharString::operator=(const char *p_cstr) {
 	copy_from(p_cstr);
-	return *this;
 }
 
 const char *CharString::get_data() const {
diff --git a/core/string/ustring.h b/core/string/ustring.h
index f25c36f66c..396c996050 100644
--- a/core/string/ustring.h
+++ b/core/string/ustring.h
@@ -108,13 +108,10 @@ public:
 
 	_FORCE_INLINE_ Char16String() {}
 	_FORCE_INLINE_ Char16String(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
-	_FORCE_INLINE_ Char16String &operator=(const Char16String &p_str) {
-		_cowdata._ref(p_str._cowdata);
-		return *this;
-	}
+	_FORCE_INLINE_ void operator=(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
 	_FORCE_INLINE_ Char16String(const char16_t *p_cstr) { copy_from(p_cstr); }
 
-	Char16String &operator=(const char16_t *p_cstr);
+	void operator=(const char16_t *p_cstr);
 	bool operator<(const Char16String &p_right) const;
 	Char16String &operator+=(char16_t p_char);
 	int length() const { return size() ? size() - 1 : 0; }
@@ -152,13 +149,10 @@ public:
 
 	_FORCE_INLINE_ CharString() {}
 	_FORCE_INLINE_ CharString(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
-	_FORCE_INLINE_ CharString &operator=(const CharString &p_str) {
-		_cowdata._ref(p_str._cowdata);
-		return *this;
-	}
+	_FORCE_INLINE_ void operator=(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
 	_FORCE_INLINE_ CharString(const char *p_cstr) { copy_from(p_cstr); }
 
-	CharString &operator=(const char *p_cstr);
+	void operator=(const char *p_cstr);
 	bool operator<(const CharString &p_right) const;
 	CharString &operator+=(char p_char);
 	int length() const { return size() ? size() - 1 : 0; }
@@ -442,11 +436,7 @@ public:
 
 	_FORCE_INLINE_ String() {}
 	_FORCE_INLINE_ String(const String &p_str) { _cowdata._ref(p_str._cowdata); }
-
-	String &operator=(const String &p_str) {
-		_cowdata._ref(p_str._cowdata);
-		return *this;
-	}
+	_FORCE_INLINE_ void operator=(const String &p_str) { _cowdata._ref(p_str._cowdata); }
 
 	Vector<uint8_t> to_ascii_buffer() const;
 	Vector<uint8_t> to_utf8_buffer() const;
diff --git a/core/templates/local_vector.h b/core/templates/local_vector.h
index 3854e1e94c..4ec08821f8 100644
--- a/core/templates/local_vector.h
+++ b/core/templates/local_vector.h
@@ -234,19 +234,17 @@ public:
 			data[i] = p_from.data[i];
 		}
 	}
-	inline LocalVector &operator=(const LocalVector &p_from) {
+	inline void operator=(const LocalVector &p_from) {
 		resize(p_from.size());
 		for (U i = 0; i < p_from.count; i++) {
 			data[i] = p_from.data[i];
 		}
-		return *this;
 	}
-	inline LocalVector &operator=(const Vector<T> &p_from) {
+	inline void operator=(const Vector<T> &p_from) {
 		resize(p_from.size());
 		for (U i = 0; i < count; i++) {
 			data[i] = p_from[i];
 		}
-		return *this;
 	}
 
 	_FORCE_INLINE_ ~LocalVector() {
diff --git a/core/templates/oa_hash_map.h b/core/templates/oa_hash_map.h
index 025cc30db4..9dab36e343 100644
--- a/core/templates/oa_hash_map.h
+++ b/core/templates/oa_hash_map.h
@@ -353,7 +353,7 @@ public:
 		(*this) = p_other;
 	}
 
-	OAHashMap &operator=(const OAHashMap &p_other) {
+	void operator=(const OAHashMap &p_other) {
 		if (capacity != 0) {
 			clear();
 		}
@@ -363,7 +363,6 @@ public:
 		for (Iterator it = p_other.iter(); it.valid; it = p_other.next_iter(it)) {
 			set(*it.key, *it.value);
 		}
-		return *this;
 	}
 
 	OAHashMap(uint32_t p_initial_capacity = 64) {
diff --git a/core/templates/ordered_hash_map.h b/core/templates/ordered_hash_map.h
index 4996b88190..928072bb18 100644
--- a/core/templates/ordered_hash_map.h
+++ b/core/templates/ordered_hash_map.h
@@ -85,11 +85,10 @@ public:
 				next_element(other.next_element) {
 		}
 
-		Element &operator=(const Element &other) {
+		void operator=(const Element &other) {
 			list_element = other.list_element;
 			next_element = other.next_element;
 			prev_element = other.prev_element;
-			return *this;
 		}
 
 		_FORCE_INLINE_ bool operator==(const Element &p_other) const {
@@ -145,9 +144,8 @@ public:
 				list_element(other.list_element) {
 		}
 
-		ConstElement &operator=(const ConstElement &other) {
+		void operator=(const ConstElement &other) {
 			list_element = other.list_element;
-			return *this;
 		}
 
 		ConstElement next() const {
diff --git a/core/templates/vector.h b/core/templates/vector.h
index a955d49101..376d5cbeff 100644
--- a/core/templates/vector.h
+++ b/core/templates/vector.h
@@ -132,9 +132,8 @@ public:
 		insert(i, p_val);
 	}
 
-	inline Vector &operator=(const Vector &p_from) {
+	inline void operator=(const Vector &p_from) {
 		_cowdata._ref(p_from._cowdata);
-		return *this;
 	}
 
 	Vector<uint8_t> to_byte_array() const {
diff --git a/core/templates/vmap.h b/core/templates/vmap.h
index 2aa22f97cf..0ff105ccbf 100644
--- a/core/templates/vmap.h
+++ b/core/templates/vmap.h
@@ -193,9 +193,8 @@ public:
 	_FORCE_INLINE_ VMap() {}
 	_FORCE_INLINE_ VMap(const VMap &p_from) { _cowdata._ref(p_from._cowdata); }
 
-	inline VMap &operator=(const VMap &p_from) {
+	inline void operator=(const VMap &p_from) {
 		_cowdata._ref(p_from._cowdata);
-		return *this;
 	}
 };