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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 1,080
  • Closed 1,424
  • All 2,504
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Data.List.sortFun
    #2406 · opened Jun 29, 2008 by Leon P Smith   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 6
    updated Jul 07, 2019
  • Allow empty case analysis
    #2431 · opened Jul 10, 2008 by RalfHinze   3   Plow Trac import feature request
    • CLOSED
    • 14
    updated Jul 07, 2019
  • Add a flag to disable the implicit qualified import of every available module in interactive mode
    #2452 · opened Jul 18, 2008 by Daniel Gorín   6.10.1   5   Pnormal Trac import feature request typechecker
    • CLOSED
    • 13
    updated Jul 07, 2019
  • For higher kinds, instance declarations need quantification in the context
    #2456 · opened Jul 21, 2008 by ronwalf   5   Pnormal Trac import bug feature request
    • CLOSED
    • 12
    updated Jul 07, 2019
  • Allow #ifdef'd pragmas
    #2464 · opened Jul 24, 2008 by ajd   5   Pnormal Trac import bug driver feature request parser
    • CLOSED
    • 5
    updated May 08, 2020
  • ghc-pkg unregister should complain about breaking dependent packages
    #2491 · opened Aug 05, 2008 by duncan   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • implement proposed Qualified Operator syntax
    #2493 · opened Aug 07, 2008 by Isaac Dupree   6.12 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • quotation characters in error messages
    #2507 · opened Aug 09, 2008 by Isaac Dupree   7.8.1   0   Plow Trac import feature request
    • CLOSED
    • 29
    updated Jul 07, 2019
  • Environment modification during installation should be optional
    #2510 · opened Aug 10, 2008 by nimnul   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Add/Expose Binary API that allows dumping of any GHC Binary instance
    #2514 · opened Aug 12, 2008 by nominolo@gmail.com   0   GHC API Plow Trac import feature request
    • CLOSED
    • 12
    updated Jul 07, 2019
  • Flag to suppress orphan instance warnings
    #2515 · opened Aug 13, 2008 by chevalier@alum.wellesley.edu   5   Pnormal Trac import bug documentation feature request
    • CLOSED
    • 10
    updated Jul 07, 2019
  • Warn about missing signatures only for exported functions
    #2526 · opened Aug 20, 2008 by fergushenderson   7.10.1   0   Plow Trac import feature request newcomer
    • CLOSED
    • 9
    updated Jul 07, 2019
  • all ghc language extensions should have their own flags
    #2527 · opened Aug 20, 2008 by fergushenderson   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Prune duplicates in ghci history
    #2531 · opened Aug 21, 2008 by venkat   8.0.1   0   GHCi Plow Trac import feature request
    • CLOSED
    • 11
    updated Jul 07, 2019
  • Flag for Making Type Signatures Mandatory
    #2536 · opened Aug 22, 2008 by guest   5   Pnormal Trac import feature request typechecker
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Better error message for missing Rank2Types (or RankNTypes) flag
    #2538 · opened Aug 23, 2008 by chevalier@alum.wellesley.edu   5   Pnormal Trac import feature request typechecker
    • CLOSED
    • 4
    updated Jul 07, 2019
  • No -X flag for unboxed types
    #2547 · opened Aug 26, 2008 by chevalier@alum.wellesley.edu   5   Pnormal Trac import feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • validate should continue if it sees warnings or haddock failures
    #2548 · opened Aug 27, 2008 by Ian Lynagh <igloo@earth.li>   7.6.2   0   Plow Trac import feature request
    • CLOSED
    • 8
    updated Jul 07, 2019
  • Token concatentation (##) in C preprocessor
    #2596 · opened Sep 15, 2008 by sedillard   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • Improve error message for type rigidity
    #2599 · opened Sep 16, 2008 by Simon Peyton Jones   7.0.2   3   Plow Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Bind type variables in RULES
    #2600 · opened Sep 16, 2008 by Simon Peyton Jones   8.8.1   0   Plow Trac import feature request
    • CLOSED
    • 20
    updated Jul 07, 2019
  • Suggest -XDeriveDataTypeable with "newtype" too
    #2604 · opened Sep 17, 2008 by Kari Pahula   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • Possible error message improvement when -XRankNTypes is missing
    #2605 · opened Sep 17, 2008 by Kari Pahula   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • configure should summarize important results at the end of its run
    #2613 · opened Sep 19, 2008 by claus.reinke@talk21.com   6.12 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 6
    updated Jul 07, 2019
  • fancier prompts for ghci
    #2652 · opened Oct 04, 2008 by jsnx   6.10 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • Newtype deriving doesn't work with type families
    #2721 · opened Oct 22, 2008 by rl@cse.unsw.edu.au   8.2.1   0   Plow Trac import bug deriving feature request
    • CLOSED
    • 17
    updated Jul 07, 2019
  • Require bang-patterns for unlifted bindings
    #2806 · opened Nov 24, 2008 by Simon Peyton Jones   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 10
    updated Jul 07, 2019
  • Debugger: change context to the module containing the current breakpoint
    #2810 · opened Nov 25, 2008 by Simon Marlow   6.12 branch   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • Unicode support for text I/O
    #2811 · opened Nov 25, 2008 by Ian Lynagh <igloo@earth.li>   6.12.1   7   Phigh Trac import core libraries feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • Data.Typeable does not use qualified names
    #2836 · opened Dec 01, 2008 by guest   7.10.1   0   Plow Trac import core libraries feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • GeneralizedNewtypeDeriving + TypeFamilies doesn't work
    #2850 · opened Dec 08, 2008 by ajd   6.12 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 11
    updated Jul 07, 2019
  • Add more tab completions in GHCi for :set and :show
    #2865 · opened Dec 09, 2008 by salty-horse   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • ghci : set - unset
    #2879 · opened Dec 14, 2008 by rileyrgdev   7.0.2   3   GHCi Plow Trac import feature request
    • CLOSED
    • 6
    updated Jul 07, 2019
  • Implement "Quantified constraints" proposal
    #2893 · opened Dec 23, 2008 by Porges   8.6.1   5   Pnormal Trac import feature request ghc proposal
    • CLOSED
    • 37
    updated Jul 07, 2019
  • generalized newtype deriving not working with polymorphic component
    #2907 · opened Jan 02, 2009 by Wolfgang Jeltsch   5   Pnormal Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • show breakpoint locations of breakpoints which were ignored during :force
    #2950 · opened Jan 14, 2009 by phercek   9.0.1   0   GHCi Plow Trac import debugger feature request
    • CLOSED
    • 11
    updated Mar 16, 2020
  • Add support for amd64-solaris2 platform
    #2951 · opened Jan 14, 2009 by kgardas   6.12 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 16
    updated Jul 07, 2019
  • deriving Functor, Foldable, Traversable
    #2953 · opened Jan 15, 2009 by twanvl   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 15
    updated Jul 07, 2019
  • Merge in LambdaVM (Haskell to Java/JVM bytecode translator)
    #2959 · opened Jan 16, 2009 by kgardas   5   Pnormal Trac import feature request
    • CLOSED
    • 9
    updated Jul 07, 2019
  • GHC on OS X does not compile 64-bit
    #2965 · opened Jan 19, 2009 by Alex Mason   5   Pnormal Trac import feature request
    • CLOSED
    • 77
    updated Jul 07, 2019
  • Add support for more characters to UnicodeSyntax
    #2978 · opened Jan 25, 2009 by Porges   6.12.1   7   Phigh Trac import backport feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • better support for FFI C wrappers for macros in system headers
    #2979 · opened Jan 25, 2009 by duncan   7.6.1   5   Pnormal Trac import feature request
    • CLOSED
    • 20
    updated Jul 07, 2019
  • give better error messages for instance declarations with the wrong number of parameters
    #2994 · opened Jan 31, 2009 by rwbarton   5   Pnormal Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • :break command should recognize also nonexported top level symbols in qualified IDs
    #3000 · opened Feb 03, 2009 by phercek   9.0.1   0   GHCi Plow Trac import bug debugger feature request
    • CLOSED
    • 3
    • 9
    updated Jun 27, 2020
  • Normalize fully-applied type functions prior to display
    #3005 · opened Feb 06, 2009 by dmcclean   7.6.2   0   GHCi Plow Trac import feature request
    • CLOSED
    • 12
    updated Jul 07, 2019
  • A little deriving for GADTs
    #3012 · opened Feb 09, 2009 by guest   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 5
    updated Jul 07, 2019
  • New simple GADT feature
    #3013 · opened Feb 09, 2009 by guest   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • A way to programmatically insert marks into heap profiling output
    #3021 · opened Feb 12, 2009 by SamB   5   Pnormal Trac import feature request profiling
    • CLOSED
    • 13
    updated Jul 07, 2019
  • would be nice if -fno-code and --make worked together
    #3032 · opened Feb 16, 2009 by duncan   7.6.2   0   Plow Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Arch independent binary representations
    #3041 · opened Feb 21, 2009 by Joachim Breitner   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • Adding a ":clear" clear-screen command to GHCi
    #3062 · opened Mar 03, 2009 by Porges   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • Show more instances with :info
    #3080 · opened Mar 08, 2009 by josef   7.6.2   0   GHCi Plow Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Win32 package should bind SHGetFolderPath
    #3083 · opened Mar 11, 2009 by duncan   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • alow macros to redefine builtin GHCi commands
    #3084 · opened Mar 11, 2009 by phercek   6.12.1   7   GHCi Phigh Trac import feature request
    • CLOSED
    • 6
    updated Jul 07, 2019
  • have ghc-pkg print less useless info when registering
    #3088 · opened Mar 13, 2009 by duncan   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • mark ghc.cabal so that unsuspecting newbies don't try to edit it
    #3115 · opened Mar 22, 2009 by nr@eecs.harvard.edu   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Enhance --info
    #3122 · opened Mar 24, 2009 by Ian Lynagh <igloo@earth.li>   8.0.1   0   Plow Trac import feature request
    • CLOSED
    • 10
    updated Jul 07, 2019
  • make INLINE work for recursive definitions (generalized loop peeling/loop unrolling)
    #3123 · opened Mar 25, 2009 by claus.reinke@talk21.com   8.0.1   0   Plow Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • monad syntax extension
    #3136 · opened Apr 01, 2009 by neodymion   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • (Windows?) GHCi doesn't load hierachical modules
    #3140 · opened Apr 02, 2009 by Orphi   8.0.1   0   GHCi Plow Trac import bug feature request
    • CLOSED
    • 9
    updated Jul 07, 2019
  • non-blocking read operations in Chan, Sem, QSem, SampleVar
    #3161 · opened Apr 08, 2009 by ChrisKuklewicz   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • decodeFloat (0.0/0.0) = undefined
    #3174 · opened Apr 19, 2009 by crutcher   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • support quasiquoting for types
    #3177 · opened Apr 19, 2009 by claus.reinke@talk21.com   6.12 branch   5   Pnormal Trac import feature request
    • CLOSED
    • 5
    updated Jul 07, 2019
  • instance Random for Data.Word
    #3188 · opened Apr 23, 2009 by uznx   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • Make XNoMonomorphismRestriction the default in GHCi
    #3202 · opened Apr 29, 2009 by YitzGale   7.6.1   7   GHCi Phigh Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • System.Directory.getDirectoryContents functionality on empty String
    #3203 · opened Apr 29, 2009 by jberryman   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • Use Levenshtein distance for unknown identifier errors
    #3209 · opened May 06, 2009 by ksf   5   Pnormal Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • Allow programs to change the number of capabilities
    #3210 · opened May 07, 2009 by Neil Mitchell   7.4.1   3   Plow Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Valgrind support
    #3215 · opened May 10, 2009 by cmcq   5   Pnormal RTS Trac import bug feature request
    • CLOSED
    • 10
    updated Jul 07, 2019
  • Make GHCi have separate flags for interactive Haskell expressions
    #3217 · opened May 11, 2009 by Simon Peyton Jones   8.0.1   5   Pnormal Trac import feature request
    • CLOSED
    • 30
    updated Jul 07, 2019
  • please detect multiple kind errors in one run
    #3223 · opened May 12, 2009 by nr@eecs.harvard.edu   5   Pnormal Trac import feature request
    • CLOSED
    • 5
    updated Jul 07, 2019
  • please eliminate error message from Make on every build
    #3226 · opened May 13, 2009 by nr@eecs.harvard.edu   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • please make it easier to remove a file from the GHC sources
    #3228 · opened May 14, 2009 by nr@eecs.harvard.edu   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • Would be nice if rts_lock (or similar) would fail when the RTS is not started
    #3236 · opened May 16, 2009 by duncan   6.12.1   5   Pnormal RTS Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • having to call hs_add_root(__stginit_Foo) is a bit of a pain
    #3252 · opened May 21, 2009 by duncan   7.2.1   7   FFI Phigh Trac import feature request
    • CLOSED
    • 9
    updated Jul 07, 2019
  • implement the Cabal ${pkgroot} spec extension
    #3268 · opened Jun 01, 2009 by duncan   7.2.1   5   Pnormal Trac import feature request package system
    • CLOSED
    • 8
    updated Jul 07, 2019
  • mention also -RTS after stack overflow
    #3296 · opened Jun 11, 2009 by C Maeder   6.12.1   7   Phigh RTS Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Where-clause environments for GHCi
    #3302 · opened Jun 14, 2009 by cjs   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • Improve syntax for GADT + records
    #3306 · opened Jun 17, 2009 by Simon Peyton Jones   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • `show BlockedIndefinitely` should not equal `show BlockedOnDeadMVar`
    #3310 · opened Jun 18, 2009 by enolan   6.12.1   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • Add compilation date to +RTS --info
    #3314 · opened Jun 20, 2009 by Orphi   8.0.1   0   Plow Trac import feature request
    • CLOSED
    • 10
    updated Jul 07, 2019
  • Add generalised "lookup" function
    #3315 · opened Jun 20, 2009 by skorpan   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • Revert to old key bindings in ghci
    #3338 · opened Jun 30, 2009 by Raevel   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 1
    updated Jul 07, 2019
  • Data.Monoid: Add (<>) as a synonym for mappend
    #3339 · opened Jun 30, 2009 by bos   7.4.1   5   Pnormal Trac import bug core libraries feature request
    • CLOSED
    • 44
    updated Jul 07, 2019
  • request earlier and more perspicuous detection of tab characters in compiler/ghc.cabal.in
    #3344 · opened Jul 02, 2009 by nr@eecs.harvard.edu   5   Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • Support reading .a files in GHCi to reclaim some disk space
    #3345 · opened Jul 03, 2009 by batterseapower   7.2.1   7   Phigh Trac import feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • Add flag to prevent generation of import libraries on Windows
    #3347 · opened Jul 03, 2009 by batterseapower   6.12.1   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Data.Word should define instances of Random for each type
    #3352 · opened Jul 05, 2009 by Kari Pahula   5   Pnormal Trac import core libraries feature request
    • CLOSED
    • 6
    updated Jul 07, 2019
  • {-# LANGUAGE NoTraditionalRecordSyntax #-} to disable the current record syntax
    #3356 · opened Jul 06, 2009 by SamB   7.4.1   5   Pnormal Trac import feature request
    • CLOSED
    • 4
    updated Jul 07, 2019
  • Add profiling support to GHCi
    #3360 · opened Jul 07, 2009 by SamB   5   GHCi Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
  • Add a command-line option to the darcs-all script to specify the darcs repository to use
    #3375 · opened Jul 16, 2009 by seliopou   6.12.1   5   Pnormal Trac import feature request infrastructure
    • CLOSED
    • 13
    updated Jul 07, 2019
  • [Patch] Support Python-style tuple sections
    #3377 · opened Jul 17, 2009 by batterseapower   5   Pnormal Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • [Patch] Make 'group' into a special ID when TransformListComp is on
    #3378 · opened Jul 17, 2009 by batterseapower   5   Pnormal Trac import feature request
    • CLOSED
    • 3
    updated Jul 07, 2019
  • [Patch] Support implicit concatenation in list comprehensions
    #3380 · opened Jul 18, 2009 by batterseapower   5   Pnormal Trac import feature request
    • CLOSED
    • 13
    updated Jul 07, 2019
  • CPP strips out C-style comments
    #3389 · opened Jul 22, 2009 by nominolo@gmail.com   5   Pnormal Trac import bug driver feature request
    • CLOSED
    • 12
    updated Sep 26, 2019
  • improve vi tags (add non-exported symbols, add tag kinds, add regex tags)
    #3434 · opened Aug 17, 2009 by phercek   6.12.1   7   GHCi Phigh Trac import feature request
    • CLOSED
    • 5
    updated Jul 07, 2019
  • Library enhancement request: Data.Maybe.justIf
    #3446 · opened Aug 21, 2009 by Joachim Breitner   Not GHC   5   Pnormal Trac import bug core libraries feature request
    • CLOSED
    • 7
    updated Jul 07, 2019
  • Class restrictions on type instances
    #3447 · opened Aug 21, 2009 by LysikovVV   5   Pnormal Trac import feature request
    • CLOSED
    • 9
    updated Jul 07, 2019
  • Template Haskell support for GADTs
    #3497 · opened Sep 09, 2009 by Simon Peyton Jones   5   Pnormal Trac import feature request
    • CLOSED
    • 6
    updated Nov 04, 2020
  • Add __attribute__((constructor))-equivalent pragma
    #3503 · opened Sep 10, 2009 by pumpkin   5   Pnormal Trac import feature request
    • CLOSED
    • 2
    updated Jul 07, 2019
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