After you read that, here are some papers on purely functional data structures suggested by the Theoretical CS stack exchange: http://cstheory.stackexchange.co

After you read that, here are some papers on purely functional data structures suggested by the Theoretical CS stack exchange: http://cstheory.stackexchange.com/questions/1539/whats-new-in-purely-functional-data-structures-since-okasaki http://cstheory.stackexchange.com/questions/1539/whats-new-i...