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It was thus said that the Great Tim Hill once stated:
> 
> You also need to be careful with literals and metatables. Consider:
> 
> -a * b
> -10 * b
> 
> The same result? But what if b has a __mul metamethod?
> 
> —Tim

  -10 * b and b has a __mul metamethod equals -Tim?

  -spc (Tongue firmly planted in cheek)