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#include <iostream>
#include <bitset>
#include <limits>
struct Port
{
constexpr Port(int value): btn(value)
{
}
const int btn;
} ;
template<auto& ...args>
struct Pack
{
static constexpr size_t size = (sizeof...(args)) ;
static constexpr auto value = ((1 << args.btn) | ...) ;
constexpr static std::size_t GetOnesCount(size_t val)
{
auto count = 0;
auto n = val ;
for ( ; n != 0; count++)
{
n &= (n - 1);
}
return count ;
}
static constexpr bool unique = (size == GetOnesCount(value)) ;
} ;
constexpr Port P00{0} ;
constexpr Port P01{1} ;
constexpr Port P02{2} ;
constexpr Port P03{3} ;
constexpr Port P04{4} ;
constexpr Port P05{5} ;
constexpr Port P06{6} ;
constexpr Port P07{7} ;
using PortLits = Pack<P00, P01,P01,P04,P05,P06,P07> ;
//static_assert(PortLits::unique, "Беда, пины не разные") ;
int main()
{
std::cout << PortLits::unique ;
return 0;
}
