forked from boostorg/utility
45 lines
1015 B
C++
45 lines
1015 B
C++
//
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// Copyright 2003 © The Trustees of Indiana University. All rights
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// reserved.
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//
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// See the file enable_if_LICENSE for licensing conditions.
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//
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// Authors: Jaakko Järvi (jajarvi@osl.iu.edu)
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// Jeremiah Willcock (jewillco@osl.iu.edu)
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// Andrew Lumsdaine (lums@osl.iu.edu)
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//
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#include <boost/test/minimal.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <boost/type_traits/is_arithmetic.hpp>
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using boost::enable_if;
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using boost::is_arithmetic;
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template <int N> struct dummy {
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dummy(int) {};
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};
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template<class T>
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typename enable_if<is_arithmetic<T>, bool>::type
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arithmetic_object(T t, dummy<0> = 0) { return true; }
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template<class T>
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typename enable_if<!is_arithmetic<T>, bool>::type
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arithmetic_object(T t, dummy<1> = 0) { return false; }
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int test_main(int, char*[])
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{
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BOOST_TEST(arithmetic_object(1));
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BOOST_TEST(arithmetic_object(1.0));
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BOOST_TEST(!arithmetic_object("1"));
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BOOST_TEST(!arithmetic_object(static_cast<void*>(0)));
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return 0;
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}
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