Treat Variant[..., Undef] as optional#7
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alexjfisher merged 1 commit intovoxpupuli:masterfrom Feb 27, 2026
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Variant types containing Undef as a direct member (e.g. Variant[String, Undef]) are functionally equivalent to Optional and should not trigger the "not optional parameter defaults to undef" warning.
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Summary
variant_with_undef?helper that checks whether aVarianttype containsUndefas a direct member (at depth 1)Variant[String, Undef]is functionally equivalent toOptional[String]Variant[String, Undef]andVariant[String, Integer, Undef]Test plan
bundle exec rake spec)Variant[String[0], Integer]andVariant[Any, Optional]tests still warn correctly