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Merge pull request #9638

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cb54a0a ci: common: remove duplicated definition (tobtoht)
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luigi1111 2024-12-23 13:33:04 -05:00
commit 941ecefab2
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1 changed files with 0 additions and 31 deletions
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src/common/variant.h
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@ -214,35 +214,4 @@ public:
bool is_empty() const noexcept { return this->index() == 0; }
};
template <typename... Types>
class optional_variant: public variant<boost::blank, Types...>
{
public:
//constructors
/// default constructor
optional_variant() = default;
/// construct from variant type (use enable_if to avoid issues with copy/move constructor)
template <typename T,
typename std::enable_if<
!std::is_same<
std::remove_cv_t<std::remove_reference_t<T>>,
optional_variant<Types...>
>::value,
bool
>::type = true>
optional_variant(T &&value) : variant<boost::blank, Types...>(std::forward<T>(value)) {}
// construct like boost::optional
optional_variant(boost::none_t) {}
//overloaded operators
/// boolean operator: true if the variant isn't empty/uninitialized
explicit operator bool() const noexcept { return !this->is_empty(); }
//member functions
/// check if empty/uninitialized
bool is_empty() const noexcept { return this->index() == 0; }
};
} //namespace tools