1 files changed, 4 insertions, 4 deletions

diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index a24cff4f11..6afb0bcba3 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -1117,7 +1117,7 @@ String String::get_with_code_lines() const {
 	return ret;
 }
 
-int String::get_slice_count(String p_splitter) const {
+int String::get_slice_count(const String &p_splitter) const {
 	if (is_empty()) {
 		return 0;
 	}
@@ -1136,7 +1136,7 @@ int String::get_slice_count(String p_splitter) const {
 	return slices;
 }
 
-String String::get_slice(String p_splitter, int p_slice) const {
+String String::get_slice(const String &p_splitter, int p_slice) const {
 	if (is_empty() || p_splitter.is_empty()) {
 		return "";
 	}
@@ -3515,7 +3515,7 @@ bool String::matchn(const String &p_wildcard) const {
 	return _wildcard_match(p_wildcard.get_data(), get_data(), false);
 }
 
-String String::format(const Variant &values, String placeholder) const {
+String String::format(const Variant &values, const String &placeholder) const {
 	String new_string = String(this->ptr());
 
 	if (values.get_type() == Variant::ARRAY) {
@@ -5208,7 +5208,7 @@ String String::sprintf(const Array &values, bool *error) const {
 	return formatted;
 }
 
-String String::quote(String quotechar) const {
+String String::quote(const String &quotechar) const {
 	return quotechar + *this + quotechar;
 }