function isWeakSet
isWeakSet(object: unknown): object is WeakSet<object>Deprecated
Returns true if the value is a built-in WeakSet instance.
util.types.isWeakSet(new WeakSet()); // Returns true
object is WeakSet<object>isWeakSet(object: unknown): object is WeakSet<object>Returns true if the value is a built-in WeakSet instance.
util.types.isWeakSet(new WeakSet()); // Returns true
object is WeakSet<object>