ArgTraits.h

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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
 
/******************************************************************************
 *
 *  file:  ArgTraits.h
 *
 *  Copyright (c) 2007, Daniel Aarno, Michael E. Smoot .
 *  All rights reverved.
 *
 *  See the file COPYING in the top directory of this distribution for
 *  more information.
 *
 *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 *
 *****************************************************************************/
 
// This is an internal tclap file, you should probably not have to
// include this directly
 
#ifndef TCLAP_ARGTRAITS_H
#define TCLAP_ARGTRAITS_H
 
namespace TCLAP {
 
// We use two empty structs to get compile type specialization
// function to work
 
struct ValueLike {
    typedef ValueLike ValueCategory;
        virtual ~ValueLike() {}
};
 
struct StringLike {
        virtual ~StringLike() {}
};
 
struct StringLikeTrait {
    typedef StringLike ValueCategory;
        virtual ~StringLikeTrait() {}
};
 
struct ValueLikeTrait {
    typedef ValueLike ValueCategory;
        virtual ~ValueLikeTrait() {}
};
 
template<typename T>
struct ArgTraits {
    typedef typename T::ValueCategory ValueCategory;
        virtual ~ArgTraits() {}
    //typedef ValueLike ValueCategory;
};
 
#endif
 
} // namespace