Hi! > It seems __toScalar might be a good name, this is what the method > actually does, the engine then coerces to a type suitable for use as a > key, but you can return a double. It might be more forward thinking > therefore to use the name __toScalar, while today we'd only be using > it for this, __toScalar does not express the fact why we are calling it - to use it as a key. It's not just a scalar conversion, it's conversion for the purpose of hashing.
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