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lines changed Original file line number Diff line number Diff line change @@ -656,38 +656,6 @@ struct MallocedBuffer {
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MallocedBuffer& operator =(const MallocedBuffer&) = delete ;
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};
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- template <typename T>
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- class NonCopyableMaybe {
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- public:
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- NonCopyableMaybe () : empty_(true ) {}
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- explicit NonCopyableMaybe (T&& value)
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- : empty_(false ),
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- value_(std::move(value)) {}
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-
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- bool IsEmpty () const {
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- return empty_;
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- }
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-
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- const T* get () const {
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- return empty_ ? nullptr : &value_;
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- }
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-
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- const T* operator ->() const {
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- CHECK (!empty_);
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- return &value_;
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- }
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-
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- T&& Release() {
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- CHECK_EQ (empty_, false );
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- empty_ = true ;
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- return std::move (value_);
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- }
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-
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- private:
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- bool empty_;
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- T value_;
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- };
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-
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// Test whether some value can be called with ().
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template <typename T, typename = void >
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struct is_callable : std::is_function<T> { };
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