syntax_data: {"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let PlaceContext::MutatingUse(MutatingUseContext::Yield) = context {
context_before:     fn visit_place(&mut self, place: &mir::Place<'tcx>, context: PlaceContext, location: Location) {
context_after:             // The resume place is evaluated and assigned to only after coroutine resumes, so its