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make the deref explicit

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Lokathor 2019-09-20 11:40:44 -06:00 committed by GitHub
parent 40cb0d19c3
commit 6fea4bfa58
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src/allocation.rs
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@ -99,7 +99,7 @@ pub fn try_cast_vec<A: Pod, B: Pod>(input: Vec<A>) -> Result<Vec<B>, (PodCastErr
// Note(Lokathor): Finally, we carefully get the pointer we need, cast the // Note(Lokathor): Finally, we carefully get the pointer we need, cast the
// type, and then make a new Vec to return. This works all the way back to // type, and then make a new Vec to return. This works all the way back to
// 1.7, if you're on 1.37 or later you can use `Vec::as_mut_ptr` directly. // 1.7, if you're on 1.37 or later you can use `Vec::as_mut_ptr` directly.
let vec_ptr: *mut A = Vec::as_mut_slice(&mut manual_drop_vec).as_mut_ptr(); let vec_ptr: *mut A = Vec::as_mut_slice(&mut *manual_drop_vec).as_mut_ptr();
let ptr: *mut B = vec_ptr as *mut B; let ptr: *mut B = vec_ptr as *mut B;
Ok(unsafe { Vec::from_raw_parts(ptr, length, capacity) }) Ok(unsafe { Vec::from_raw_parts(ptr, length, capacity) })
} }