operator<< for VarInt

include/sp/common/VarInt.h

@@ -7,6 +7,7 @@
 
 #include <cstddef>
 #include <cstdint>
+#include <ostream>
 
 namespace sp {
 
@@ -55,6 +56,11 @@ class VarInt {
 	 * \param var The variable integer to deserialize
 	 */
 	friend DataBuffer& operator>>(DataBuffer& in, VarInt& var);
+
+	/**
+	 * \brief overriding stream operator
+	 */
+	friend std::ostream& operator<<(std::ostream& a_Stream, const sp::VarInt& a_VarInt);
 };
 
 }  // namespace sp

src/sp/common/VarInt.cpp

@@ -1,7 +1,7 @@
 #include <sp/common/VarInt.h>
 
-#include <stdexcept>
 #include <sp/common/DataBuffer.h>
+#include <stdexcept>
 
 namespace sp {
 
@@ -49,4 +49,9 @@ DataBuffer& operator>>(DataBuffer& in, VarInt& var) {
 	return in;
 }
 
+std::ostream& operator<<(std::ostream& a_Stream, const sp::VarInt& a_VarInt) {
+	a_Stream << a_VarInt.GetValue();
+	return a_Stream;
+}
+
 }  // namespace sp