From 1479b2ab1ae2e5a82ab6ac79663939ae651000fd Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 26 Sep 2014 22:55:05 +0200
Subject: Replaced array-like accesses with their named member method
 counterparts

---
 src/tree.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/tree.cc')

diff --git a/src/tree.cc b/src/tree.cc
index 11bb299..900d891 100644
--- a/src/tree.cc
+++ b/src/tree.cc
@@ -117,7 +117,7 @@ Node* Tree::buildTree(const std::string& term) {
 	      elementIterator     != topElements.end();
 	      ++elementIterator ) {
 		const std::string& element   = *elementIterator;
-		const TokenType elementToken = determineToken(element[0]);
+		const TokenType elementToken = determineToken(element.front());
 
 		if ( elementToken      != TokenType::VALUE_NUMBER     &&
 		     elementToken      != TokenType::VALUE_IDENTIFIER &&
@@ -151,18 +151,18 @@ Node* Tree::buildTree(const std::string& term) {
 			};
 
 			if ( subElements.size() == 1 ) {
-				switch ( determineToken(subElements[0][0]) ) {
+				switch ( determineToken(subElements.front()) ) {
 					case TokenType::VALUE_NUMBER:
 					case TokenType::OPERATOR_MINUS: {
 						operands.push(this->addNode<OperandNode>(
-							doubleToString(subElements[0])
+							doubleToString(subElements.front())
 						));
 
 						break;
 					}
 					case TokenType::VALUE_IDENTIFIER: {
 						operands.push(this->addNode<ConstantNode>(
-							subElements[0],
+							subElements.front(),
 							this->constants_
 						));
 
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