syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"ByRef::No"}]}
source_snippet:             ByRef::No if is_binding_by_move(ty) => {
context_before:             },
context_after:                 conflicts_move.push(Conflict::Moved { span, name }) // `ref mut?` + by-move conflict.