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by MrJohz
1064 days ago
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Typescript does have full unions, although only partially discriminated ones (in the sense that `number | string` is discriminated but `number | number` is not - custom discriminators can be written fairly easily though). This resolves the problem that the previous poster had - nullability is not some magic trait of certain types, but rather a function of the general case of union types. In that case, `string | null` is no different from `string | number`, and null is just one possible type among many. |
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