maybeNullable :: FieldDef -> Bool
maybeNullable fd = nullable (fieldAttrs fd) == Nullable ByMaybeAttr
maybeNullable :: FieldDef -> Bool
maybeNullable fd = nullable (fieldAttrs fd) == Nullable ByMaybeAttr
maybeNullable fd = nullable (fieldAttrs fd) == Nullable ByMaybeAttr