Method tuple

include/pybind11/pytypes.h:2175–2179

Some compilers generate link errors when using `const SzType &` here:

              detail::enable_if_t<std::is_integral<SzType>::value, int> = 0>
    // Some compilers generate link errors when using `const SzType &` here:
    explicit tuple(SzType size = 0) : object(PyTuple_New(ssize_t_cast(size)), stolen_t{}) {
        if (!m_ptr) {
            pybind11_fail("Could not allocate tuple object!");
        }
    }
    size_t size() const { return static_cast<size_t>(PyTuple_Size(m_ptr)); }
    bool empty() const { return size() == 0; }
    detail::tuple_accessor operator[](size_t index) const { return {*this, index}; }