ternarycompare.h

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#ifndef TERNARY_COMPARE_H_
#define TERNARY_COMPARE_H_
 
#include <type_traits>
 
#include <QChar>
 
template<typename T>
std::enable_if_t<std::is_integral_v<T>, int>
inline ternary_compare(const T a, const T b)
{
    if (a < b) return -1;
    if (a > b) return +1;
    return 0; // a == b
}
// QChar should be uint16_t
inline int ternary_compare(const QChar a, const QChar b)
{
    if (a < b) return -1;
    if (a > b) return +1;
    return 0; // a == b
}
 
#endif // TERNARY_COMPARE_H_