syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"ty::ConstKind::Value(cv)"}]}
source_snippet:         ty::ConstKind::Value(cv) => Ok(cv),
context_before:     match ct.kind() {
context_after:         ty::ConstKind::Param(_) | ty::ConstKind::Expr(_) => {