{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"ty::Infer(ty::IntVar(_))"}]}
            ty::Infer(ty::IntVar(_)) => "integer".into(),
            ty::Infer(ty::TyVar(_)) => "inferred type".into(),
            ty::Infer(ty::FloatVar(_)) => "floating-point number".into(),