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ac6415fac2
macro is better than simply defining a destructor because usage patterns will be tested whenever associated types are accessed. [SVN r35198]
23 lines
522 B
C++
Executable File
23 lines
522 B
C++
Executable File
// Copyright David Abrahams 2006. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/concept/usage.hpp>
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template <class T>
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struct StringInitializable
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{
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typedef int associated;
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BOOST_CONCEPT_USAGE(StringInitializable)
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{
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T x = "foo";
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}
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};
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// Test that accessing an associated type will actually exercise usage
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// requirements
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typedef StringInitializable<int>::associated tee;
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