Fixed Lexer tests

lexer/inc/Token.h

@@ -131,6 +131,9 @@ namespace PashaBibko::LXC::Lexer
             char* contents;
     };
 
+    // Function for converting token types to their equivalent C-Strings //
+    const char* TokenTypeToCStr(Token::TokenType type);
+
     // Typedef for the output type of how the Lexer outputs //
     typedef std::vector<Token> LexerOutput;
 }