| /* |
| Copyright 2017 Glen Joseph Fernandes |
| (glenjofe@gmail.com) |
| |
| Distributed under Boost Software License, Version 1.0. |
| (See accompanying file LICENSE_1_0.txt or copy at |
| http://www.boost.org/LICENSE_1_0.txt) |
| */ |
| |
| // MACRO: BOOST_NO_CXX17_FOLD_EXPRESSIONS |
| // TITLE: C++17 fold expressions |
| // DESCRIPTION: C++17 fold expressions are not supported. |
| |
| namespace boost_no_cxx17_fold_expressions { |
| |
| template<class... Args> |
| auto sum(Args&&... args) |
| { |
| return (args + ... + 0); |
| } |
| |
| int test() |
| { |
| return sum(1, -1, 1, 1, -1, -1); |
| } |
| |
| } /* boost_no_cxx17_fold_expressions */ |
