forked from boostorg/utility
57 lines
1.2 KiB
C++
Executable File
57 lines
1.2 KiB
C++
Executable File
// Copyright David Abrahams, Daniel Wallin 2003. Use, modification and
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// distribution is subject to the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/named_params.hpp>
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#include <cassert>
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#include <string>
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#include <boost/type_traits/is_convertible.hpp>
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namespace test
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{
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using boost::keyword;
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using boost::keywords;
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using boost::named_param;
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struct name_t; keyword<name_t> name;
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struct value_t; keyword<value_t> value;
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struct f_keywords
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: keywords<
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named_param<
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name_t
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, boost::mpl::true_
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, boost::is_convertible<boost::mpl::_, std::string>
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>
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, named_param<
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value_t
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, boost::mpl::true_
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, boost::is_convertible<boost::mpl::_, float>
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>
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>
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{};
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BOOST_NAMED_PARAMS_FUN(void, f, 0, 2, f_keywords)
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{
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std::string s = p[name | "bar"];
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float v = p[value | 3.f];
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assert(s == "foo");
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assert(v == 3.f);
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}
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} // namespace test
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int main()
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{
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using test::name;
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using test::value;
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using test::f;
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f("foo");
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f("foo", 3.f);
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f(value = 3.f, name = "foo");
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}
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