evaluator.hpp
Go to the documentation of this file.
1
3/*
4 * Copyright (C) 2012 William Swanson
5 *
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use, copy,
10 * modify, merge, publish, distribute, sublicense, and/or sell copies
11 * of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
21 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
22 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 * Except as contained in this notice, the names of the authors or
26 * their institutions shall not be used in advertising or otherwise to
27 * promote the sale, use or other dealings in this Software without
28 * prior written authorization from the authors.
29 */
30#pragma once
31
32#define _BY_EVAL0(...) __VA_ARGS__
33#define _BY_EVAL1(...) _BY_EVAL0(_BY_EVAL0(_BY_EVAL0(__VA_ARGS__)))
34#define _BY_EVAL2(...) _BY_EVAL1(_BY_EVAL1(_BY_EVAL1(__VA_ARGS__)))
35#define _BY_EVAL3(...) _BY_EVAL2(_BY_EVAL2(_BY_EVAL2(__VA_ARGS__)))
36#define _BY_EVAL4(...) _BY_EVAL3(_BY_EVAL3(_BY_EVAL3(__VA_ARGS__)))
37#define BY_EVAL(...) _BY_EVAL4(_BY_EVAL4(_BY_EVAL4(__VA_ARGS__)))