{3} Feature requests by priority (509 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#881 Improve space profiling for references Profiling 6.4.2 normal normal new Aug 31, 2006
#960 Lexical call site string Compiler 6.6 normal normal new Oct 24, 2006
#1262 RecursiveDo in Template Haskell Template Haskell 6.6 normal normal new Apr 3, 2007
#1273 would like to print partial application values when at a breakpoint GHCi 6.7 normal normal new Apr 12, 2007
#1316 add warning for local type signatures that use the same type variable names as outer type signatures Compiler 6.6.1 normal normal simonpj new May 1, 2007
#1318 add warning for prefix negate operator and flag to replace it with negative numeric literals Compiler (Parser) 6.6.1 normal normal new May 1, 2007
#1399 better support for developing threaded applications in ghci GHCi 6.6.1 normal normal new May 31, 2007
#1404 allow more type signatures Compiler (Type checker) 6.6.1 normal normal new Jun 1, 2007
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) Compiler 6.10.2 normal normal new Jun 4, 2007
#1444 Template Haskell: add proper support for qualified names in non-splicing applications Template Haskell 6.6.1 normal normal new Jun 21, 2007
#1451 Provide way to show the origin of a constraint Compiler (Type checker) 6.6.1 normal normal new Jun 22, 2007
#1475 Adding imports and exports with Template Haskell Template Haskell 6.8.2 normal normal new Jul 1, 2007
#1477 ghci shouldn't link entire package GHCi 6.6.1 normal normal new Jul 1, 2007
#1532 Implicit parameters are not available in breakpoints GHCi 6.7 normal normal new Jul 13, 2007
#1791 heap overflow should generate an exception Runtime System 6.8 normal blocker new Oct 21, 2007
#1800 Template Haskell support for running functions defined in the same module Template Haskell 7.7 normal normal new Oct 24, 2007
#1826 unable to list source for <exception thrown> should never occur GHCi 6.8.1 normal normal new Nov 4, 2007
#1830 Automatic derivation of Lift Template Haskell 6.8.1 normal normal new Nov 4, 2007
#1921 change default to support extensions that involve a change of syntax Compiler 6.8.1 normal normal new Nov 23, 2007
#1974 length "foo" doesn't work with -XOverloadedStrings Compiler 6.8.1 normal minor new Dec 12, 2007
#2041 Allow splicing in concrete syntax Template Haskell 6.8.2 normal normal new Jan 13, 2008
#2101 Allow some form of type-level lemma Compiler 6.8.2 normal normal new Feb 15, 2008
#2180 Any installed signal handler stops deadlock detection, but XCPU never happens in a deadlock Runtime System 6.9 normal minor Baughn new Mar 27, 2008
#2200 big static random access arrays Core Libraries 6.8.2 normal normal ekmett new Apr 6, 2008
#2207 Load the interface details for GHC.* even without -O Compiler 6.8.2 normal normal new Apr 10, 2008
#2344 oddity with package prefixes for data constructors GHCi 6.9 normal normal new Jun 4, 2008
#2403 caching for runghc (runhaskell) Compiler normal normal jsnx new Jun 29, 2008
#2427 Allow compilation of source from stdin Compiler 6.8.3 normal minor new Jul 7, 2008
#2551 Allow multiple modules per source file Compiler 6.9 normal normal new Aug 28, 2008
#2630 installed packages should have a src-dirs field, for access to optionally installed sources Package system 6.9 normal normal new Sep 28, 2008
#2742 The -> in ViewPatterns binds more weakly than infix data constructors. Compiler (Parser) 6.10.1 normal normal new Nov 4, 2008
#2893 Implement "Quantified contexts" proposal Compiler 6.10.1 normal normal new Dec 23, 2008
#2895 Implement the "Class System Extension" proposal Compiler 6.10.1 normal normal new Dec 24, 2008
#3021 A way to programmatically insert marks into heap profiling output Profiling 6.10.1 normal normal new Feb 12, 2009
#3205 Generalized isomorphic deriving Compiler 6.10.2 normal normal new May 3, 2009
#3215 Valgrind support Runtime System 6.10.3 normal trivial new May 10, 2009
#3283 Selective disabling of unused bind warnings Compiler 6.10.2 normal normal new Jun 8, 2009
#3490 Relax superclass restrictions Compiler 6.10.4 normal minor new Sep 8, 2009
#3541 Allow local foreign imports Compiler (FFI) 6.10.4 normal normal new Sep 25, 2009
#3545 As-patterns for type signatures Compiler (Type checker) 6.11 normal normal new Sep 27, 2009
#3557 CPU Vector instructions in GHC.Prim Data Parallel Haskell 6.11 normal normal new Oct 2, 2009
#3577 Complete support for Data Parallel Haskell Data Parallel Haskell 6.13 normal normal rl new Oct 12, 2009
#3583 Default view patterns Compiler 6.10.4 normal normal new Oct 13, 2009
#3601 When running two or more instances of GHCi, persistent history is only kept for the first one GHCi 6.10.4 normal minor new Oct 20, 2009
#3615 GHCi doesn't allow the use of imported data contructors GHCi 6.10.4 normal minor new Oct 27, 2009
#3769 Add manpages for programs installed alongside ghc Documentation 6.12.1 normal new Dec 16, 2009
#3919 Or-patterns as GHC extension Compiler normal new Mar 14, 2010
#4091 Parse error on curried context of instance declaration Compiler 6.12.2 normal new May 24, 2010
#4370 Bring back monad comprehensions Compiler 6.12.3 normal new Oct 6, 2010
#4894 Missing improvement for fun. deps. Compiler (Type checker) 7.1 normal new Jan 17, 2011
#5324 Locally-scoped RULES Compiler 7.0.3 normal new Jul 15, 2011
#5344 CSE should look through coercions Compiler 7.0.3 normal simonpj new Jul 25, 2011
#5416 Local modules and Template Haskell declaration splices Template Haskell 7.2.1 normal new Aug 16, 2011
#5476 Cap memory usage for one thread without disrupting other threads Runtime System 7.2.1 normal new Sep 9, 2011
#6030 Typeclass constraint should pick the OverloadedString type. Compiler 7.4.1 normal new Apr 22, 2012
#7261 ghci's :info and :browse break encapsulation GHCi 7.6.1 normal new Sep 21, 2012
#7291 hp2ps should cope with incomplete data Profiling 7.6.1 normal new Oct 2, 2012
#7662 Improve GC of mutable objects Runtime System 7.7 normal new Feb 5, 2013
#8560 Derive some generic representation for GADTs Compiler (Type checker) 7.7 normal new Nov 23, 2013
#8610 Rebuild on a definition-based granularity Compiler 7.6.3 normal new Dec 11, 2013
#8828 Type pattern synonyms Compiler 7.6.2 normal new Feb 27, 2014
#9846 GHC --make should also look for .hi, not only for .hs Compiler normal new Nov 28, 2014
#9866 ssh pubkey self-mgmt Trac & Git normal hvr new Dec 5, 2014
#9883 Make OverloadedLists more usable by splitting the class interface External Core 7.8.3 normal new Dec 13, 2014
#10204 Odd interaction between rank-2 types and type families Compiler (Type checker) 7.10.1 normal new Mar 27, 2015
#3517 GHC has lots of extra hidden IOErrorType values Core Libraries low normal new Sep 15, 2009
#8161 Associated type parameters that are more specific than the instance header Compiler (Type checker) 7.7 low new Aug 23, 2013
#8207 Pretty Printer for textual version of Language (name) in DynFlags GHC API 7.7 low new Sep 1, 2013
#8441 Allow family instances in an hs-boot file Compiler 7.7 low ezyang new Oct 13, 2013
#8516 Add (->) representation and the Invariant class to GHC.Generics Compiler (Type checker) 7.7 low new Nov 9, 2013
#8619 Support anonymous string literals in C-- (OR) give better ASSERT failure messages in C-- Compiler 7.7 low new Dec 20, 2013
#8707 Kind inference fails in data instance definition Compiler 7.7 low new Jan 27, 2014
#8997 Warn about unused parameters in recursive definitions Compiler 7.8.2 low new Apr 15, 2014
#9118 Can't eta-reduce representational coercions Compiler 7.8.2 low new May 15, 2014
#9182 Empty case analysis for function clauses Compiler 7.8.2 low new Jun 7, 2014
#9385 Additions to Control.Monad Core Libraries 7.8.2 low ekmett infoneeded Jul 30, 2014
#9392 "\n" is displayed weirdly in error messages Compiler 7.8.3 low new Aug 1, 2014
#9479 Report required constraints when reporting the type of a hole Compiler (Type checker) 7.8.3 low new Aug 20, 2014
#9498 GHC links against unversioned .so files Compiler (FFI) 7.6.3 low new Aug 21, 2014
#9518 Improve error message for unacceptable role annotations Compiler (Type checker) 7.8.3 low infoneeded Aug 28, 2014
#9685 GHC fails to build with mingw32-make on Windows Build System 7.9 low gintas new Oct 12, 2014
#9748 Disambiguate IO actions in GHCi with :set +t GHCi 7.8.2 low zudov new Oct 31, 2014
#9864 Need realloc/resize feature for mallocForeignPtrBytes allocated memory Core Libraries 7.8.3 low ekmett new Dec 4, 2014
#9946 Expose the source location of template-haskell Names Compiler 7.11 low new Dec 31, 2014
#9976 Ignore newlines in code diffs on Phab Trac & Git 7.8.4 low new Jan 11, 2015
#10055 Offer PolyKinded instances for Data.Fixed.HasResolution libraries/base 7.8.4 low new Feb 1, 2015
#10150 Suppress orphan instance warning per instance Compiler (Type checker) 7.11 low new Mar 9, 2015
#10153 GHC mode for converting files to explicit layout Compiler (Parser) 7.11 low new Mar 11, 2015
#10162 Add unicode syntax for banana brackets Compiler 7.8.4 low new Mar 16, 2015
#10324 our rts/ghc-prim/base shared library tricks don't work on Android Compiler 7.10.1 low new Apr 18, 2015
#10331 Accept HsSyn in splices and generate it in quotes (ghc-api) Template Haskell 7.11 low new Apr 20, 2015
#10391 Ability to get export list of TH reified module Template Haskell low new May 7, 2015
#2614 Enumeration of values for `Sys.Info.os`, `Sys.Info.arch` Core Libraries 6.8.3 low minor 7.12.1 mjg new Sep 20, 2008
#3052 ghc FFI doesn't support thiscall Compiler (FFI) 6.10.1 low normal 7.12.1 new Feb 27, 2009
#3372 Allow for multiple linker instances Compiler low normal 7.12.1 new Jul 14, 2009
#3427 control what sort of entity a deprecated pragma applies to Compiler 6.10.4 low normal 7.12.1 new Aug 12, 2009
#3464 Find import declaration importing a certain function GHCi 6.10.4 low normal 7.12.1 new Aug 26, 2009
#3483 Some mechanism for eliminating "absurd" patterns Compiler 6.10.4 low normal 7.12.1 new Sep 3, 2009
#3547 Improve granularity of UndecidableInstances Compiler 6.10.4 low normal 7.12.1 new Sep 28, 2009
#3619 allow to set ghc search path globally (a'la CPATH) Compiler 6.10.4 low normal 7.12.1 new Oct 28, 2009
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