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2013/4/9 oliver <>:

> There is not much that I really miss in Lua, but the lack of
> a short lambda syntax is one that keeps coming back time
> and again.

Lua's existing syntax _is_ lambda syntax, but for the sake of
portability the three symbols required are spelt out with keywords.

f = λ(a,b)↦a+b∎
f = \lambda(a,b) \to a+b \endlambda
f = function(a,b) return a+b end