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Fix formspec focus (#12795)

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DS 2022-10-21 17:11:41 +02:00 • committed by GitHub
parent 9f0d88407d
commit 7153cb8a0b
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3 changed files with 63 additions and 8 deletions
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54
src/util/Optional.h
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@ -103,3 +103,57 @@ public:
explicit operator bool() const { return m_has_value; }
};
template <typename T>
constexpr bool operator==(const Optional<T> &opt, nullopt_t)
{
return !opt.has_value();
}
template <typename T>
constexpr bool operator==(nullopt_t, const Optional<T> &opt)
{
return !opt.has_value();
}
template <typename T>
constexpr bool operator!=(const Optional<T> &opt, nullopt_t)
{
return opt.has_value();
}
template <typename T>
constexpr bool operator!=(nullopt_t, const Optional<T> &opt)
{
return opt.has_value();
}
template <typename T, typename U>
constexpr bool operator==(const Optional<T> &opt, const U &value)
{
return opt.has_value() && *opt == value;
}
template <typename T, typename U>
constexpr bool operator==(const T &value, const Optional<U> &opt)
{
return opt.has_value() && value == *opt;
}
template <typename T, typename U>
constexpr bool operator!=(const Optional<T> &opt, const U &value)
{
return !opt.has_value() || *opt != value;
}
template <typename T, typename U>
constexpr bool operator!=(const T &value, const Optional<U> &opt)
{
return !opt.has_value() || value != *opt;
}
template <typename T, typename U>
constexpr bool operator==(const Optional<T> &lhs, const Optional<U> &rhs)
{
return lhs.has_value() ? *lhs == rhs : nullopt == rhs;
}
template <typename T, typename U>
constexpr bool operator!=(const Optional<T> &lhs, const Optional<U> &rhs)
{
return lhs.has_value() ? *lhs != rhs : nullopt != rhs;
}