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//-----------------------------------------------------------------------------
// boost-libs variant/test/variant_visit_internal_linkage.cpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2018 Louis Dionne, Antony Polukhin
//
// 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)
// This test checks that we can visit a variant containing a type that has
// internal linkage (anonymous namespace).
#include "boost/variant/variant.hpp"
#ifdef BOOST_NO_CXX14_DECLTYPE_AUTO
void run() {}
#else
namespace {
struct Foo { };
struct Visitor {
void operator()(Foo const&) const { }
};
}
void run() {
boost::variant<Foo> v = Foo();
boost::apply_visitor(Visitor(), v);
}
#endif
int main() {
run();
}