1 // Copyright (C) 2014, Andrzej Krzemienski.
2 //
3 // Use, modification, and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/libs/optional for documentation.
8 //
9 // You are welcome to contact the author at:
10 //  akrzemi1@gmail.com
11 //
12 #ifndef BOOST_BAD_OPTIONAL_ACCESS_22MAY2014_HPP
13 #define BOOST_BAD_OPTIONAL_ACCESS_22MAY2014_HPP
14 
15 #include <stdexcept>
16 #if __cplusplus < 201103L
17 #include <string> // to make converting-ctor std::string(char const*) visible
18 #endif
19 
20 namespace boost {
21 
22 class bad_optional_access : public std::logic_error
23 {
24 public:
bad_optional_access()25   bad_optional_access()
26     : std::logic_error("Attempted to access the value of an uninitialized optional object.")
27     {}
28 };
29 
30 } // namespace boost
31 
32 #endif
33