indirectly_comparable.h

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#pragma once
 
#include "di/container/concepts/indirect_binary_predicate.h"
#include "di/container/meta/projected.h"
#include "di/function/identity.h"
 
namespace di::concepts {
template<typename It, typename Jt, typename Comp, typename Proj1 = function::Identity,
         typename Proj2 = function::Identity>
concept IndirectlyComparable = IndirectBinaryPredicate<Comp, meta::Projected<It, Proj1>, meta::Projected<Jt, Proj2>>;
}