// Copyright David Abrahams 2006. Distributed under the Boost // Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include <boost/concept/usage.hpp> template <class T> struct StringInitializable { typedef int associated; BOOST_CONCEPT_USAGE(StringInitializable) { T x = "foo"; } }; // Test that accessing an associated type will actually exercise usage // requirements typedef StringInitializable<int>::associated tee;