isValueUnfolding :: Unfolding -> Bool
        -- Returns False for OtherCon
isValueUnfolding (CoreUnfolding { uf_is_value = is_evald }) = is_evald
isValueUnfolding :: Unfolding -> Bool
isValueUnfolding (CoreUnfolding { uf_is_value = is_evald }) = is_evald
isValueUnfolding (CoreUnfolding { uf_is_value = is_evald }) = is_evald