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On 30-Nov-06, at 1:44 PM, John Hind wrote:

However at a formal (rather than implementation) level would using an unadorned token really cause ambiguities? It would be neater without a special syntax and it should surely be possible to disambiguate this given that the compiler knows that the token refers to a function (or not).

How does the compiler know that?

function apply(x, y)
  return x(y)