Convert a list-like structure to an array type.
List-like type
Extracts the element type and wraps it in a mutable array.
type A = ToArray< number[] >; // number[]type B = ToArray< Set< string > >; // string[] Copy
type A = ToArray< number[] >; // number[]type B = ToArray< Set< string > >; // string[]
Convert a list-like structure to an array type.