syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"ConstKind::Unevaluated(uv)"}]}
source_snippet:             ConstKind::Unevaluated(uv) => uv.visit_with(visitor),
context_before:         match self.kind() {
context_after:             ConstKind::Value(v) => v.visit_with(visitor),