{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"|"}]}
            | PrivateUninhabited | Wildcard => 0,
            | F128Range(..) | Str(..) | Opaque(..) | Never | NonExhaustive | Hidden | Missing
            Or => bug!("The `Or` constructor doesn't have a fixed arity"),