Looking at the recent draft, I noticed that the WeakMap methods accept
primitive keys, converting them to objects, and acting like an object was
passed in. This differs from the current behavior of Chrome and Firefox, which
both throw if key is not an object. It seems, as the current draft reads,
passing in a primitive will fail silently, since weakmap.set(3, 'some value');
weakmap.get(3); will be undefined. Is this a bug in the draft or was it decided
not to throw in these situations (or am I misunderstanding the draft)?
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