#2528: documentation for nub and nubBy should be corrected, extended or removed. -----------------------------------+------------------------------------ Reporter: jdressel | Owner: ekmett Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Core Libraries | Version: 6.8.2 Resolution: | Keywords: Operating System: Linux | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -----------------------------------+------------------------------------ Comment (by Herbert Valerio Riedel ): In [changeset:"a2e7bbfe7656cf7dbf1af4da5c077ac0b5d41127/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="a2e7bbfe7656cf7dbf1af4da5c077ac0b5d41127" Preserve argument order to (==)/eq in nub and nubBy This makes nub and nubBy behave as specified in the Haskell 98 Report. This reverts 0ad9def53842e86fb292eccb810190711c42d7c5, and fixes #3280, #7913 and #2528 (properly). Before this change, the output of `T2528` was (4x wrong): ``` [A,B] [1,2] False False ``` Reviewed By: dfeuer, ekmett, austin, hvr Differential Revision: https://phabricator.haskell.org/D238 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/2528#comment:18 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler