syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"ty::ConstKind::Unevaluated(uv)"}]}
source_snippet:             ty::ConstKind::Unevaluated(uv) => {
context_before:         match c.kind() {
context_after:                 if !c.has_escaping_bound_vars() {