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A comment on TypeScript 3.7. Parent comment

Re:TypeScript 3.7 by paulddraper on Wednesday November 06, 2019 @10:42AM (#21463597)
Or, use Maybe/Option and have as many levels of nonexistence as you want.

    Option[Option[Option[T]]]
Not that it would necessarily be very useful, but choosing 2 values of nonexistence is very arbitrary.

Usually zero or one level of nonexistence is enough.

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