Use const references where possible for List range iterators

4 files changed, 9 insertions, 9 deletions

diff --git a/core/string/optimized_translation.cpp b/core/string/optimized_translation.cpp
index cf0b8d10db..5863bd1c46 100644
--- a/core/string/optimized_translation.cpp
+++ b/core/string/optimized_translation.cpp
@@ -66,7 +66,7 @@ void OptimizedTranslation::generate(const Ref<Translation> &p_from) {
 	int total_compression_size = 0;
 	int total_string_size = 0;
 
-	for (StringName &E : keys) {
+	for (const StringName &E : keys) {
 		//hash string
 		CharString cs = E.operator String().utf8();
 		uint32_t h = hash(0, cs.get_data());
diff --git a/core/string/translation.cpp b/core/string/translation.cpp
index 981954c8ae..19d23fd375 100644
--- a/core/string/translation.cpp
+++ b/core/string/translation.cpp
@@ -841,7 +841,7 @@ Vector<String> Translation::_get_message_list() const {
 void Translation::_set_messages(const Dictionary &p_messages) {
 	List<Variant> keys;
 	p_messages.get_key_list(&keys);
-	for (Variant &E : keys) {
+	for (const Variant &E : keys) {
 		translation_map[E] = p_messages[E];
 	}
 }
diff --git a/core/string/translation_po.cpp b/core/string/translation_po.cpp
index afd3b76588..1da00aa54b 100644
--- a/core/string/translation_po.cpp
+++ b/core/string/translation_po.cpp
@@ -47,7 +47,7 @@ void TranslationPO::print_translation_map() {
 
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
-	for (StringName &ctx : context_l) {
+	for (const StringName &ctx : context_l) {
 		file->store_line(" ===== Context: " + String::utf8(String(ctx).utf8()) + " ===== ");
 		const HashMap<StringName, Vector<StringName>> &inner_map = translation_map[ctx];
 
@@ -73,7 +73,7 @@ Dictionary TranslationPO::_get_messages() const {
 
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
-	for (StringName &ctx : context_l) {
+	for (const StringName &ctx : context_l) {
 		const HashMap<StringName, Vector<StringName>> &id_str_map = translation_map[ctx];
 
 		Dictionary d2;
@@ -96,7 +96,7 @@ void TranslationPO::_set_messages(const Dictionary &p_messages) {
 
 	List<Variant> context_l;
 	p_messages.get_key_list(&context_l);
-	for (Variant &ctx : context_l) {
+	for (const Variant &ctx : context_l) {
 		const Dictionary &id_str_map = p_messages[ctx];
 
 		HashMap<StringName, Vector<StringName>> temp_map;
@@ -118,7 +118,7 @@ Vector<String> TranslationPO::_get_message_list() const {
 	get_message_list(&msgs);
 
 	Vector<String> v;
-	for (StringName &E : msgs) {
+	for (const StringName &E : msgs) {
 		v.push_back(E);
 	}
 
@@ -278,7 +278,7 @@ void TranslationPO::get_message_list(List<StringName> *r_messages) const {
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
 
-	for (StringName &E : context_l) {
+	for (const StringName &E : context_l) {
 		if (String(E) != "") {
 			continue;
 		}
@@ -297,7 +297,7 @@ int TranslationPO::get_message_count() const {
 	translation_map.get_key_list(&context_l);
 
 	int count = 0;
-	for (StringName &E : context_l) {
+	for (const StringName &E : context_l) {
 		count += translation_map[E].size();
 	}
 	return count;
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index dbb8dc8283..7beecdb6b5 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -3421,7 +3421,7 @@ String String::format(const Variant &values, String placeholder) const {
 		List<Variant> keys;
 		d.get_key_list(&keys);
 
-		for (Variant &key : keys) {
+		for (const Variant &key : keys) {
 			new_string = new_string.replace(placeholder.replace("_", key), d[key]);
 		}
 	} else {