Union to tuple (order not guaranteed). Good for small unions.
type U = 'a' | 'b' | 'c';type Tup = UnionToTuple<U>; // ['a', 'b', 'c'] Copy
type U = 'a' | 'b' | 'c';type Tup = UnionToTuple<U>; // ['a', 'b', 'c']
Union to tuple (order not guaranteed). Good for small unions.