syntax_data: {"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn visit_operand(&mut self, operand: &mut Operand<'tcx>, loc: Location) {
context_before:     #[tracing::instrument(level = "trace", skip(self))]
context_after:         if let Operand::Move(place) = *operand