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DiscIO: Use Common::Lazy for loading filesystems

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This simplifies FileMonitor a lot and also lets us
clean up FilesystemPanel.
This commit is contained in:
JosJuice
2017-08-02 18:16:56 +02:00
parent 0d07821935
commit 38304da947
21 changed files with 182 additions and 172 deletions
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10
Source/Core/Common/Lazy.h
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@ -21,6 +21,16 @@ public:
Lazy() : m_value(T()) {}
Lazy(const std::variant<T, std::function<T()>>& value) : m_value(value) {}
Lazy(std::variant<T, std::function<T()>>&& value) : m_value(std::move(value)) {}
const Lazy<T>& operator=(const std::variant<T, std::function<T()>>& value)
{
m_value = value;
return *this;
}
const Lazy<T>& operator=(std::variant<T, std::function<T()>>&& value)
{
m_value = std::move(value);
return *this;
}
const T& operator*() const { return *ComputeValue(); }
const T* operator->() const { return ComputeValue(); }
T& operator*() { return *ComputeValue(); }