syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if place_base.ty(self.body, self.tcx).ty.is_union() {
context_before:         if let Some((place_base, ProjectionElem::Field(_, _))) = place.last_projection() {
context_after:                 place = place_base;