Tweaked C++ code for style and robustness.

cpp/QrCode.hpp

@@ -280,7 +280,7 @@ class QrCode final {
 		 * Creates a Reed-Solomon ECC generator for the given degree. This could be implemented
 		 * as a lookup table over all possible parameter values, instead of as an algorithm.
 		 */
-		public: ReedSolomonGenerator(int degree);
+		public: explicit ReedSolomonGenerator(int degree);
 		
 		
 		/*-- Method --*/

cpp/QrCodeGeneratorWorker.cpp

@@ -60,7 +60,7 @@ int main() {
 		for (int i = 0; i < length; i++) {
 			int b;
 			std::cin >> b;
-			data.push_back((uint8_t)b);
+			data.push_back(static_cast<uint8_t>(b));
 			isAscii &= 0 < b && b < 128;
 		}
 		

cpp/QrSegment.hpp

@@ -147,7 +147,7 @@ class QrSegment final {
 	private: std::vector<bool> data;
 	
 	
-	/*---- Constructor ----*/
+	/*---- Constructors ----*/
 	
 	/* 
 	 * Creates a new QR Code data segment with the given parameters and data.