23 pub struct VMStructRef(VMGcRef);  struct
25 impl fmt::Pointer for VMStructRef {  implementation
31 impl From<VMStructRef> for VMGcRef {
33     fn from(x: VMStructRef) -> Self {  in from()
53     pub fn into_structref(self, gc_heap: &impl GcHeap) -> Result<VMStructRef, VMGcRef> {  in into_structref()  argument
69     pub fn into_structref_unchecked(self) -> VMStructRef {  in into_structref_unchecked()  argument
71         VMStructRef(self)  in into_structref_unchecked()
76     pub fn as_structref(&self, gc_heap: &(impl GcHeap + ?Sized)) -> Option<&VMStructRef> {  in as_structref()  argument
89     pub fn as_structref_unchecked(&self) -> &VMStructRef {  in as_structref_unchecked()  argument
93         assert!(matches!(ret, VMStructRef(VMGcRef { .. })));  in as_structref_unchecked()
98 impl VMStructRef {  implementation