dtype.cc.h

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// -*- C++ -*-
#ifndef __cxz_dtype_cc_h__
#define __cxz_dtype_cc_h__
 
#include <sstream>
#include "dtype.h"
#include "to_string.h"
 
namespace CNORXZ
{
    // for tuple use vector<DType> !!!
    // (yes DType is slow, thats why one should only use it for debugging)
    
    template <typename T>
    DType::DType(const T& d) : mD(d)
    {
    _mkToStr<T>();
    _mkComp<T>();
    }
 
    template <typename T>
    DType& DType::operator=(const T& d)
    {
    mD = d;
    _mkToStr<T>();
    _mkComp<T>();
    return *this;
    }
 
    template <typename T>
    void DType::_mkToStr()
    {
    mToStr = [](const std::any& d){
        return toString(std::any_cast<T>(d));
    };
    }
 
    template <typename T>
    void DType::_mkComp()
    {
    mComp = [](const std::any& d, const std::any& a){
        if(d.type() != a.type()){
        return 2;
        }
        else {
        auto& at = std::any_cast<const T&>(a);
        auto& dt = std::any_cast<const T&>(d);
        if(std::equal_to<T>{}(dt,at)){
            return 0;
        }
        else if(std::less<T>{}(dt,at)){
            return -1;
        }
        else {
            return 1;
        }
        }
    };
    }
}
 
#endif