Optimize array access

src/Components/Modules/RCon.cpp

@@ -88,7 +88,7 @@ namespace Components
 			std::string command = data.substr(pos + 1);
 
 			// B3 sends the password inside quotes :S
-			if (!password.empty() && password[0] == '"' && password[password.size() - 1] == '"')
+			if (!password.empty() && password[0] == '"' && password.back() == '"')
 			{
 				password.pop_back();
 				password.erase(password.begin());

src/Components/Modules/ServerInfo.cpp

@@ -271,7 +271,7 @@ namespace Components
 						currentData = currentData.substr(1);
 					}
 
-					if (currentData[currentData.size() - 1] == '\"')
+					if (currentData.back() == '\"')
 					{
 						currentData.pop_back();
 					}

src/Utils/String.cpp

@@ -58,7 +58,7 @@ namespace Utils
 				std::string _entry = std::move(token);
 
 				// Remove trailing 0x0 bytes
-				while (_entry.size() && !_entry[_entry.size() - 1])
+				while (_entry.size() && !_entry.back())
 				{
 					_entry = _entry.substr(0, _entry.size() - 1);
 				}