60     pub unsafe trait Project<Src: ?Sized, Dst: ?Sized> {
73         fn project(src: PtrInner<'_, Src>) -> *mut Dst;  in project()  argument
83     pub unsafe trait Cast<Src: ?Sized, Dst: ?Sized>: Project<Src, Dst> {}
90     pub unsafe trait CastExact<Src: ?Sized, Dst: ?Sized>: Cast<Src, Dst> {}
128     unsafe impl<Src, Dst> Project<Src, Dst> for CastSized {
130         fn project(src: PtrInner<'_, Src>) -> *mut Dst {  in project()  argument
131             static_assert!(Src, Dst => mem::size_of::<Src>() >= mem::size_of::<Dst>());  in project()
132             src.as_ptr().cast::<Dst>()  in project()
137     unsafe impl<Src, Dst> Cast<Src, Dst> for CastSized {}
155     unsafe impl<Src, Dst> Project<Src, Dst> for CastSizedExact {
157         fn project(src: PtrInner<'_, Src>) -> *mut Dst {  in project()  argument
158             static_assert!(Src, Dst => mem::size_of::<Src>() == mem::size_of::<Dst>());  in project()
159             src.as_ptr().cast::<Dst>()  in project()
164     unsafe impl<Src, Dst> Cast<Src, Dst> for CastSizedExact {}
168     unsafe impl<Src, Dst> CastExact<Src, Dst> for CastSizedExact {}
190     unsafe impl<Src, Dst> Project<Src, Dst> for CastUnsized
193         Dst: ?Sized + KnownLayout<PointerMetadata = Src::PointerMetadata>,
196         fn project(src: PtrInner<'_, Src>) -> *mut Dst {  in project()  argument
199             static_assert!(Src: ?Sized + KnownLayout, Dst: ?Sized + KnownLayout => {  in project()
201                 let dst = <Dst as KnownLayout>::LAYOUT;  in project()
213             Dst::raw_from_ptr_len(src.as_non_null().cast::<u8>(), metadata).as_ptr()  in project()
218     unsafe impl<Src, Dst> Cast<Src, Dst> for CastUnsized
221         Dst: ?Sized + KnownLayout<PointerMetadata = Src::PointerMetadata>,
232     unsafe impl<Src, Dst> CastExact<Src, Dst> for CastUnsized
235         Dst: ?Sized + KnownLayout<PointerMetadata = Src::PointerMetadata>,