include/core/messages.hpp

   1 #ifndef _messages__hpp__included__
   2 #define _messages__hpp__included__
   3
   4 #include <iostream>
   5
   6 /**
   7  * messages -> window::out().
   8  */
   9 class messages_relay_class
  10 {
  11 public:
  12         operator std::ostream&() { return getstream(); }
  13         static std::ostream& getstream();
  14 };
  15 template<typename T> inline std::ostream& operator<<(messages_relay_class& x, T value)
  16 {
  17         return messages_relay_class::getstream() << value;
  18 };
  19 inline std::ostream& operator<<(messages_relay_class& x, std::ostream& (*fn)(std::ostream& o))
  20 {
  21         return fn(messages_relay_class::getstream());
  22 };
  23 extern messages_relay_class messages;
  24
  25 #endif