Working Hard to Keep Things Lazy
When coming to Haskell from another programming language there are a lot of things that appear to be quite odd at first glance. One of these things is the non-strict evaluation strategy. Dreaded by some and loved by others, this might be one of the most controversial features of this programming language. In this talk, Raichoo will shed some light on the why and how of laziness and how GHC achieves it, as well as some interesting optimization techniques that the compiler performs to reduce some of the overhead that is introduced by it.
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