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#pragma once
#include "ranges.hpp"
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define IOTA_VIEW_ITERATOR(return_type) \
template <std::weakly_incrementable Value> \
constexpr return_type IotaViewIterator<Value>
IOTA_VIEW_ITERATOR()::IotaViewIterator(Value value) noexcept : _value(value) {}
IOTA_VIEW_ITERATOR(auto)::operator++() noexcept -> const IotaViewIterator &
{
++_value;
return *this;
}
IOTA_VIEW_ITERATOR(auto)::operator++(int) noexcept -> IotaViewIterator
{
auto copy = *this;
++(*this);
return copy;
}
IOTA_VIEW_ITERATOR(auto)::operator*() const noexcept -> Value
{
return _value;
}
IOTA_VIEW_ITERATOR(auto)::operator==(const IotaViewIterator &rhs) const noexcept -> bool
{
return _value == rhs._value;
}
IOTA_VIEW_ITERATOR(auto)::operator!=(const IotaViewIterator &rhs) const noexcept -> bool
{
return !(*this == rhs);
}
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define IOTA_VIEW(return_type) \
template <std::weakly_incrementable Value, std::semiregular Bound> \
requires std::equality_comparable_with<Value, Bound> && std::copyable<Value> \
constexpr return_type IotaView<Value, Bound>
IOTA_VIEW()::IotaView(Value value, Bound bound) noexcept : _value(value), _bound(bound) {}
IOTA_VIEW(auto)::begin() const noexcept -> IotaViewIterator<Value>
{
return IotaViewIterator(_value);
}
IOTA_VIEW(auto)::end() const noexcept -> IotaViewIterator<Value>
{
return IotaViewIterator(_bound);
}
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