syntax_data: {"ast_node_type":"import","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // FIXME (mikeyhew) change this to use &own if it is ever added to the language
context_before:         // unsized `self` is passed as a pointer to `self`
context_after:         Ty::new_mut_ptr(tcx, layout.ty)