log/log_handle.cpp

/* This example shows how to use the toast::log_handle.  This allows for an
   application to pass in any log to a library.  The library doesn't need to
   know anything about the log in order to use it.  This does have some
   overhead, but probably no more than a virtual function would have.
*/

#include <toast/log.hpp>

using namespace toast::log;

namespace {
  log_handle mylog;
}

void set_log_handle(log_handle l) { mylog = l; }

void log_handle_log_example()
{
  mylog.message("This behaves however log_handle is setup.", DEBUG);
  mylog.message("Lo and behold the lovely log_handle!", NOTICE);
}