Method get_decimal_point

include/jwt/json/json.hpp:6013–6019

return the locale-dependent decimal point

    /// return the locale-dependent decimal point
    JSON_HEDLEY_PURE
    static char get_decimal_point() noexcept
    {
        const auto* loc = localeconv();
        JSON_ASSERT(loc != nullptr);
        return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point);
    }

    /////////////////////
    // scan functions