length_of.h

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#pragma once

#include <vector>

namespace illumina { namespace interop { namespace util
{

    template<typename T>
    struct length_of_type
    {
        static size_t size(T)
        { return 1; }
    };

    template<typename T>
    struct length_of_type<std::vector<T> >
    {
        static size_t size(const std::vector<T> &vec)
        { return vec.size(); }
    };

    template<typename T>
    size_t length_of(const T &val)
    { return length_of_type<T>::size(val); }

    template<typename T, size_t N>
    size_t length_of(const T (&)[N])
    { return N; }

    template<typename T, size_t N>
    static std::vector<T> to_vector(const T (&vals)[N])
    {
        return std::vector<T>(vals, vals + N);
    }

}}}