syntax_data: {"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let place = parent.project_deeper(&[proj], self.tcx);
context_before:                 let proj = PlaceElem::Field(field, field_ty);
context_after:                 return Ok((place, PlaceTy::from_ty(field_ty)));