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isWeakSet
检查给定的 value 是否为 WeakSet。
value
WeakSet
import { isWeakSet } from 'funtool'; isWeakSet(new WeakSet()); // ✅ true isWeakSet(new Set()); // ❌ false isWeakSet({}); // ❌ false
function isWeakSet(v: any): v is WeakSet<WeakKey>
v
any
v is WeakSet<WeakKey>
true
false