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/config.hpp>
7#include <boost/hana/functional/curry.hpp>
8namespace hana = boost::hana;
9
10
11int main() {
12 BOOST_HANA_CONSTEXPR_LAMBDA auto add = [](auto x, auto y, auto z) {
13 return x + y + z;
14 };
15
16 BOOST_HANA_CONSTEXPR_CHECK(hana::curry<3>(add)(1)(2)(3) == 1 + 2 + 3);
17 BOOST_HANA_CONSTEXPR_CHECK(hana::curry<3>(add)(1)(2, 3) == hana::curry<3>(add)(1)(2)(3));
18 BOOST_HANA_CONSTEXPR_CHECK(hana::curry<3>(add)(1, 2, 3) == hana::curry<3>(add)(1)(2)(3));
19
20 // curry with a nullary function
21 BOOST_HANA_CONSTEXPR_LAMBDA auto two = []() {
22 return 2;
23 };
24
25 BOOST_HANA_CONSTEXPR_CHECK(hana::curry<0>(two)() == two());
26}
27

source code of boost/libs/hana/example/functional/curry.cpp