| // 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> |
| #include <boost/core/ignore_unused.hpp> |
| |
| template <class T> |
| struct StringInitializable |
| { |
| typedef int associated; |
| BOOST_CONCEPT_USAGE(StringInitializable) |
| { |
| T x = "foo"; |
| boost::ignore_unused(x); |
| } |
| }; |
| |
| // Test that accessing an associated type will actually exercise usage |
| // requirements |
| typedef StringInitializable<int>::associated tee; |
| |
| |
| |