added post increment operator to utf8 iterator

Author: Hana Dusíková

include/ctre/utf8.hpp

@@ -65,6 +65,12 @@ struct utf8_iterator {
 		return *this;
 	}
 
+	constexpr utf8_iterator operator++(int) noexcept {
+		auto previous = *this;
+		this->operator++();
+		return previous;
+	}
+	
 	constexpr utf8_iterator operator+(unsigned step) const noexcept {
 		utf8_iterator result = *this;
 		while (step > 0) {

single-header/ctre-unicode.hpp

@@ -2684,6 +2684,12 @@ struct utf8_iterator {
 		return *this;
 	}
 
+	constexpr utf8_iterator operator++(int) noexcept {
+		auto previous = *this;
+		this->operator++();
+		return previous;
+	}
+	
 	constexpr utf8_iterator operator+(unsigned step) const noexcept {
 		utf8_iterator result = *this;
 		while (step > 0) {
@@ -3868,9 +3874,10 @@ template <typename Iterator> struct string_match_result {
 };
 
 template <typename CharT, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE bool compare_character(CharT c, Iterator & it, const EndIterator & end) {
-	bool same = ((it != end) && (*it == c));
-	++it;
-	return same;
+	if (it != end) {
+		return *it++ == c;
+	}
+	return false;
 }
 
 template <auto... String, size_t... Idx, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE string_match_result<Iterator> evaluate_match_string(Iterator current, [[maybe_unused]] const EndIterator end, std::index_sequence<Idx...>) noexcept {

single-header/ctre.hpp

@@ -2681,6 +2681,12 @@ struct utf8_iterator {
 		return *this;
 	}
 
+	constexpr utf8_iterator operator++(int) noexcept {
+		auto previous = *this;
+		this->operator++();
+		return previous;
+	}
+	
 	constexpr utf8_iterator operator+(unsigned step) const noexcept {
 		utf8_iterator result = *this;
 		while (step > 0) {
@@ -3865,9 +3871,10 @@ template <typename Iterator> struct string_match_result {
 };
 
 template <typename CharT, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE bool compare_character(CharT c, Iterator & it, const EndIterator & end) {
-	bool same = ((it != end) && (*it == c));
-	++it;
-	return same;
+	if (it != end) {
+		return *it++ == c;
+	}
+	return false;
 }
 
 template <auto... String, size_t... Idx, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE string_match_result<Iterator> evaluate_match_string(Iterator current, [[maybe_unused]] const EndIterator end, std::index_sequence<Idx...>) noexcept {