acmorrow · February 5, 2013 20:00
diff --git a/gistfile1.cpp b/gistfile1.cpp
 // In C++11, we can ask for the size of a type for which we don't have an instance:

 class Tcp6Socket {
 public:
   struct SockAddr { ... };
 };

 char buf[1024];
 static_assert(sizeof(buf) >= sizeof(Tcp6Socket::SockAddr));
 // Can't do that in C++03, but it works in C++11
	// In C++11, we can ask for the size of a type for which we don't have an instance:

	class Tcp6Socket {
	public:
	struct SockAddr { ... };
	};

	char buf[1024];
	static_assert(sizeof(buf) >= sizeof(Tcp6Socket::SockAddr));
	// Can't do that in C++03, but it works in C++11