Use std::future_error.

diff --git a/include/xbt/future.hpp b/include/xbt/future.hpp
index 95ab69d..31870ce 100644 (file)
--- a/include/xbt/future.hpp
+++ b/include/xbt/future.hpp
@@ -12,6 +12,7 @@
 #include <boost/variant.hpp>
 #include <exception>
 #include <functional>
 #include <boost/variant.hpp>
 #include <exception>
 #include <functional>

+#include <future> // std::future_error

 #include <stdexcept>
 #include <type_traits>
 #include <utility>
 #include <stdexcept>
 #include <type_traits>
 #include <utility>


@@ -66,7 +67,7 @@ public:
         break;
       }
       default:
         break;
       }
       default:

-        throw std::logic_error("Invalid result");
+        throw std::future_error(std::future_errc::no_state);

     }
   }
 private:
     }
   }
 private: