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https://github.com/bolero-MURAKAMI/Sprout.git
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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
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#ifndef SPROUT_OPTIONAL_COMPARISON_HPP
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#define SPROUT_OPTIONAL_COMPARISON_HPP
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#include <sprout/config.hpp>
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#include <sprout/optional/optional.hpp>
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#include <sprout/utility/compare_pointees.hpp>
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namespace sprout {
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//
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// operator==
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// operator!=
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// operator<
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// operator>
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// operator<=
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// operator>=
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//
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return sprout::equal_pointees(lhs, rhs);
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return !(lhs == rhs);
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator<(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return sprout::less_pointees(lhs, rhs);
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator>(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return rhs < lhs;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator<=(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return !(rhs < lhs);
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator>=(sprout::optional<T> const& lhs, sprout::optional<T> const& rhs) {
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return !(lhs < rhs);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_OPTIONAL_COMPARISON_HPP
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