#10168: generalize filterM, mapAndUnzipM, zipWithM, zipWithM_, replicateM, replicateM_ -------------------------------------+------------------------------------- Reporter: strake888 | Owner: Type: bug | Status: closed Priority: normal | Milestone: 8.0.1 Component: Core Libraries | Version: 7.10.1-rc1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1324 Wiki Page: | -------------------------------------+------------------------------------- Comment (by rwbarton): I would be worried about not just IO but also some kind of structure that is intended to be produced and consumed in a streaming fashion, in O(1) space. Seems like that could blow up space usage arbitrarily with a repeated-squaring implementation. Including separate versions that use repeated squaring would make more sense (if we should include them at all; the use cases seem obscure and anyone can (already) just provide them in a package outside base). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10168#comment:23 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler