[Haskell-cafe] GHC predictability

[Albert Y. C. Lai]

Advanced technology ought to look like unpredictable magic.

My experience with lazy evaluation is such that every time a program is 
slower or bulkier than I presumed, it is not arbitrariness, it is 
something new to learn.

My experience with GHC is such that every surprise it gives me is a 
pleasant surprise: it produces a program faster or leaner than lazy 
evaluation would have it. "Where has the box gone?"