We call this a MutexKey — a linear3 scope token. You get one when you enter a locking scope. When you call .lock(), the key is consumed and a new one is returned alongside the guard. The new key carries a type-level record of what you’ve already locked, so the compiler knows what you’re still allowed to acquire. Try to go backwards and the code doesn’t compile.
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Tech companies, including Meta and OpenAI, have lobbied to keep robust privacy laws off the books, and government officials like Secretary of State Marco Rubio have pushed for less regulation of American tech companies.
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This meant that you had to explicitly add dom.iterable to use iteration methods on DOM collections like NodeList or HTMLCollection.