syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"ty::TermKind::Ty(ty)"}]}
source_snippet:             ty::TermKind::Ty(ty) => match ty.kind() {
context_before:         match self.kind() {
context_after:                 ty::Alias(_kind, alias_ty) => Some(alias_ty.into()),