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device: fix DeviceIter.size_hint

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meh 2015-10-25 22:32:26 +01:00
parent 5677b0ee6e
commit 7ad3654976
1 changed files with 3 additions and 1 deletions
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4
src/device/extensions.rs
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@ -69,7 +69,9 @@ impl<'a> Iterator for DeviceIter<'a> {
fn size_hint(&self) -> (usize, Option<usize>) { fn size_hint(&self) -> (usize, Option<usize>) {
unsafe { unsafe {
((*self.ptr).nb_devices as usize, Some((*self.ptr).nb_devices as usize)) let length = (*self.ptr).nb_devices as usize;
(length - self.cur as usize, Some(length - self.cur as usize))
} }
} }
} }