| 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/core/when.hpp> |
|---|
| 6 | |
|---|
| 7 | #include <type_traits> |
|---|
| 8 | namespace hana = boost::hana; |
|---|
| 9 | |
|---|
| 10 | |
|---|
| 11 | template <typename T, typename = hana::when<true>> |
|---|
| 12 | struct base_template; |
|---|
| 13 | |
|---|
| 14 | template <typename T> |
|---|
| 15 | struct base_template<T, hana::when<std::is_integral<T>::value>> { |
|---|
| 16 | // something useful... |
|---|
| 17 | }; |
|---|
| 18 | |
|---|
| 19 | int main() { } |
|---|
| 20 | |
|---|
