add shit

src/ParserHelper.hpp

@@ -0,0 +1,12 @@
+#pragma once
+#include <string>
+#include <cinttypes>
+
+namespace YYCC::ParserHelper {
+
+	bool Parse(const std::string& strl, int& ret, int base = 10);
+	int Parse(const std::string& strl, int base = 10);
+	bool ToString(int val, std::string& ret, int base = 10);
+	std::string ToString(int val, int base = 10);
+
+}