Did some refactoring to improve readability

* now using range for-loops during Tree printing
* inroduced popNode helper method which helps to simplify the Tree construction implementation

1 files changed, 4 insertions, 2 deletions

diff --git a/src/utils.h b/src/utils.h
index 0145065..ca2c77f 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -28,10 +28,12 @@ enum class TokenType {
 	VALUE_IDENTIFIER,
 };
 
-TokenType getTokenType(char);
-PrecedenceLevel getPrecedence(TokenType);
+TokenType determineToken(char);
+PrecedenceLevel precedence(TokenType);
 std::vector<std::string> lexer(std::string);
 
+double doubleToString(const std::string&);
+
 }
 
 #endif  // PARSER_SRC_UTILS_H_