While going through the Haskell literature I uncovered a passage that said
that, I'm paraphrasing: Complexity was at a premium. The task was very complex
and what was needed to get Haskell to achieve its goals was extraordinary.
This might explain how laziness kept Haskell pure. Everything was at a premium
and this developed a discipline to keep everything streamlined. This suggests
that purity had a material benefit, but the problem is it is conceivable that
its material benefit was merely psychological.
I do not have enough time to study what Stephen wrote at the moment so I will
need to revisit it. He cited some references.
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