| 1 | // Copyright Louis Dionne 2013-2022 |
|---|---|
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
| 4 | |
| 5 | #include <boost/hana/assert.hpp> |
| 6 | #include <boost/hana/functional/overload_linearly.hpp> |
| 7 | |
| 8 | #include <string> |
| 9 | namespace hana = boost::hana; |
| 10 | |
| 11 | |
| 12 | auto f = hana::overload_linearly( |
| 13 | [](int i) { return i + 1; }, |
| 14 | [](std::string s) { return s + "d"; }, |
| 15 | [](double) { BOOST_HANA_RUNTIME_CHECK(false && "never called"); } |
| 16 | ); |
| 17 | |
| 18 | int main() { |
| 19 | BOOST_HANA_RUNTIME_CHECK(f(1) == 2); |
| 20 | BOOST_HANA_RUNTIME_CHECK(f("abc") == "abcd"); |
| 21 | BOOST_HANA_RUNTIME_CHECK(f(2.2) == static_cast<int>(2.2) + 1); |
| 22 | } |
| 23 |