syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"Operand::Copy(place)"}]}
source_snippet:                 Operand::Copy(place) | Operand::Move(place) => {
context_before:             let arg = match &args[0].node {
context_after:                     if let Some(local) = place.as_local() {