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Make mp_drop and mp_drop_c SFINAE friendly.

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This commit is contained in:
Jody Hagins
2022-12-06 12:31:00 -05:00
parent f6133a9f1f
commit 811efd6820
2 changed files with 14 additions and 4 deletions
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test/mp_drop.cpp
+10
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@@ -27,6 +27,7 @@ int main()
using boost::mp11::mp_drop;
using boost::mp11::mp_drop_c;
using boost::mp11::mp_size_t;
using boost::mp11::mp_valid;
{
using L1 = mp_list<>;
@@ -81,5 +82,14 @@ int main()
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_drop<L1, mp_size_t<0>>, L1>));
}
{
BOOST_TEST_TRAIT_TRUE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<2>>));
BOOST_TEST_TRAIT_TRUE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<3>>));
BOOST_TEST_TRAIT_FALSE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<4>>));
BOOST_TEST_TRAIT_FALSE((mp_valid<mp_drop, mp_list<X1, X2, X3>, mp_size_t<5>>));
}
return boost::report_errors();
}