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author | Ben Longbons <b.r.longbons@gmail.com> | 2014-06-27 18:10:48 -0700 |
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committer | Ben Longbons <b.r.longbons@gmail.com> | 2014-06-27 18:10:48 -0700 |
commit | 63c2e854ed2c9778ea9225d86578b4e9b65900ee (patch) | |
tree | bcd4dd86155ec59288e11b9a2bfcdebfc64f766f /src/sexpr/void.hpp | |
parent | 23c6155f8e6ce93f41597e7aa860cca0b5110e4b (diff) | |
download | tmwa-63c2e854ed2c9778ea9225d86578b4e9b65900ee.tar.gz tmwa-63c2e854ed2c9778ea9225d86578b4e9b65900ee.tar.bz2 tmwa-63c2e854ed2c9778ea9225d86578b4e9b65900ee.tar.xz tmwa-63c2e854ed2c9778ea9225d86578b4e9b65900ee.zip |
Port the Variant junk
Diffstat (limited to 'src/sexpr/void.hpp')
-rw-r--r-- | src/sexpr/void.hpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/sexpr/void.hpp b/src/sexpr/void.hpp new file mode 100644 index 0000000..9fb6bc4 --- /dev/null +++ b/src/sexpr/void.hpp @@ -0,0 +1,43 @@ +#ifndef TMWA_SEXPR_VOID_HPP +#define TMWA_SEXPR_VOID_HPP +// void.hpp - A type that represents nothing and anything. +// +// Copyright © 2012 Ben Longbons <b.r.longbons@gmail.com> +// +// This file is part of The Mana World (Athena server) +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. + +# include "fwd.hpp" + + +namespace tmwa +{ +namespace sexpr +{ + struct Void + { + template<class T> + constexpr operator T() noexcept { return T(); } + template<class T> + void operator = (T&&) noexcept {} + template<class T> + constexpr Void(T&&) noexcept {} + constexpr Void() noexcept; + }; + constexpr Void::Void() noexcept = default; +} // namespace sexpr +} // namespace tmwa + +#endif //TMWA_SEXPR_VOID_HPP |