33 pub struct ComPtr<T>(*mut T)  struct
36 impl<T> ComPtr<T>  implementation
43     pub unsafe fn from_raw(ptr: *mut T) -> ComPtr<T> {  in from_raw()
45         ComPtr(ptr)  in from_raw()
48     pub fn up<U>(self) -> ComPtr<U>  in up()
53         ComPtr(self.into_raw() as *mut U)  in up()
67     pub fn cast<U>(&self) -> Result<ComPtr<U>, i32>  in cast()
76         Ok(unsafe { ComPtr::from_raw(obj as *mut U) })  in cast()
79 impl<T> Deref for ComPtr<T>  implementation
88 impl<T> Clone for ComPtr<T>  implementation
95             ComPtr::from_raw(self.0)  in clone()
99 impl<T> Drop for ComPtr<T>  implementation