60     header: VMGcHeader,  field
66     fn is(header: &VMGcHeader) -> bool {  in is()
67         header.kind() == VMGcKind::ArrayRef  in is()
85     header: VMGcHeader,  field
91     fn is(header: &VMGcHeader) -> bool {  in is()
92         header.kind() == VMGcKind::ExternRef  in is()
126     fn alloc(&mut self, mut header: VMGcHeader, layout: Layout) -> Result<Result<VMGcRef, u64>> {  in alloc()
171         debug_assert_eq!(header.reserved_u26(), 0);  in alloc()
172         header.set_reserved_u26(size);  in alloc()
173         *self.header_mut(&gc_ref) = header;  in alloc()
273         let size = self.header(gc_ref).reserved_u26();  in object_size()
277     fn header(&self, gc_ref: &VMGcRef) -> &VMGcHeader {  in header()  method
285     fn alloc_raw(&mut self, header: VMGcHeader, layout: Layout) -> Result<Result<VMGcRef, u64>> {  in alloc_raw()
286         self.alloc(header, layout)  in alloc_raw()