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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_MPL_IFCOND_H_INCLUDED
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#define BEAST_MPL_IFCOND_H_INCLUDED
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namespace beast {
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namespace mpl {
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// Ideas based on boost
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/** Select between T1 or T2 depending on Condition. */
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/** @{ */
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template <bool Condition, typename T1, typename T2>
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struct IfCond
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{
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typedef T1 type;
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};
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template <typename T1, typename T2>
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struct IfCond <false, T1, T2>
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{
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typedef T2 type;
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};
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/** @} */
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}
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}
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#endif
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