add TraceableValue[F[A, B]] instance for F[_, _]: Bifoldable#1255
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bpholt wants to merge 3 commits intotypelevel:mainfrom
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add TraceableValue[F[A, B]] instance for F[_, _]: Bifoldable#1255bpholt wants to merge 3 commits intotypelevel:mainfrom
bpholt wants to merge 3 commits intotypelevel:mainfrom
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I needed an instance of
TraceableValue[Either[A, B]]givenA: TraceableValueandB: TraceableValue, and then I realized I could expand that to anyF[_, _]: Bifoldableif we're willing to accept the right bias on things likeIororTuple2.(If #1248 is merged, we could use its
ListValueto eliminate the right bias, but I don't think it's possible otherwise.)