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#include <utility>
#include <string>
#include <vector>
#include <queue>
template <typename Type>
concept bool BasicIterator =
requires(Type type)
{
*type;
}
and requires (Type lhs, Type rhs)
{
{ lhs == rhs; }
{ lhs != rhs; }
}
;
template <typename Type>
concept bool ReadAndIncrementable =
requires (Type type)
{
requires BasicIterator<Type>;
++type;
type++;
}
;
template <ReadAndIncrementable Type>
void copy(Type it1, Type it2);
using namespace std;
int main()
{
copy(string{}.begin(), string{}.end());
}
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