IMO explaining laziness by adding closures on top is misleading. "Lakmus test" for laziness is Y-combinator. There is no way to implement Y-combinator in none-lazy language (it is possible to implement Z-combinator, though)
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IMO explaining laziness by adding closures on top is misleading. "Lakmus test" for laziness is Y-combinator. There is no way to implement Y-combinator in none-lazy language (it is possible to implement Z-combinator, though)