Method ReadUtf8

src/core/string_consumer.hpp:425–430

* Read UTF-8 character, and advance reader. * @param def Default value to return, if no valid data. * @return Read char, 'def' if no valid data. * @note The reader is advanced, even if no valid data was present. */

	 * @note The reader is advanced, even if no valid data was present.
	 */
	[[nodiscard]] char32_t ReadUtf8(char32_t def = '?')
	{
		auto [len, value] = this->PeekUtf8();
		this->Skip(len > 0 ? len : 1); // advance at least one byte
		return len > 0 ? value : def;
	}
	/**
	 * Skip UTF-8 character, and advance reader.
	 * @note The reader is advanced, even if no valid data was present.