{"ast_node_type":"function","tokens":[{"end":94,"kind":"keyword","start":0,"text":"fn"}]}
    fn visit_place(&mut self, place: &Place<'tcx>, mut context: PlaceContext, loc: Location) {
impl<'tcx> Visitor<'tcx> for CanConstProp {
        use rustc_middle::mir::visit::PlaceContext::*;