syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"ty::GenericArgKind::Lifetime(r)"}]}
source_snippet:             ty::GenericArgKind::Lifetime(r) => {
context_before:         self.var_values.iter().enumerate().all(|(bv, arg)| match arg.kind() {
context_after:                 matches!(r.kind(), ty::ReBound(ty::INNERMOST, br) if br.var().as_usize() == bv)