Tag Archives: pattern

Haskell Abstractions At Work (Part II – An Interlude)

Posted on January 31, 2015 by Naren Sundar

View literate file on Github The boss wants more So the boss comes back and says, “Naren, this is great but I don’t want to write code to specify my schedule”. He scribbles some notes on the whiteboard to illustrate … Continue reading →

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Haskell Abstractions At Work (Part I)

Posted on January 30, 2015 by Naren Sundar

View literate file on Github Recently, while constructing a domain-specific language (DSL), I had to solve a problem analogous to the following. You are given a company with boss and employees represented by their free-time schedules. For instance, is an … Continue reading →

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Short-circuiting

Posted on September 30, 2014 by Naren Sundar

View literate file on Github Short-circuiting in imperative languages is a doddle – just put a break; to get out of a loop. Having said that, things are trickier when you want to break out into various levels within nested … Continue reading →

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Quickie: Generating the powerset

Posted on August 4, 2014 by Naren Sundar

View literate file on Github > import Control.Monad The traditional way to generate the powerset of a list of elements is the following > powerset :: [a] -> [[a]] > powerset (x:xs) = map (x:) (powerset xs) ++ powerset xs … Continue reading →

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