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deque-blog/example_fold.idr

Created October 31, 2017 14:02
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example_fold.idr
runPure $ -- Run the pipeline in the Identity Monad (pure)
iterating (+1) 0 -- Generate the integers from 0 to infinity
.| takingWhile (< 5) -- Take the ones below 5
.| fold (+) 0 -- And sum them
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