On 31 May 2012 00:31, David Herman <[email protected]> wrote:
> OK, but that begs the question. The problem is that your "might" test is 
> neither sound (as Allen pointed out) nor complete (as I pointed out) for 
> "can." What guarantee are you trying to provide? What do you mean by "might?"

+1

I think the function that some here seem to want is neither possible,
nor desirable. Whether a function is looking at 'this' or not (or how
it was constructed that way, i.e. syntactically, or using 'bind') is
pretty much an implementation detail, and it should not be possible to
_sense_ it. A function is free to _document_ it as part of its
contract, though.

/Andreas
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