{3} Feature requests by priority (384 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#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 Compiler 6.8.2 normal normal 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
#2456 For higher kinds, instance declarations need quantification in the context Compiler 6.9 normal normal new Jul 21, 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 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
#3447 Class restrictions on type instances Compiler 6.10.4 normal normal new Aug 21, 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 Compiler (NCG) 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
#3814 Compile to more than one (sub)-architecture Compiler 6.12.1 normal new Jan 10, 2010
#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 Compiler 7.2.1 normal new Aug 16, 2011
#5462 Deriving clause for arbitrary classes Compiler 7.2.1 normal dreixel new Sep 5, 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
#8610 Rebuild on a definition-based granularity Compiler 7.6.3 normal new Dec 11, 2013
#8778 Typeable TypeNats Compiler (Type checker) 7.8.1-rc1 normal new Feb 13, 2014
#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 new Oct 13, 2013
#8516 Add (->) representation and the Invariant class to GHC.Generics Compiler (Type checker) 7.7 low new Nov 9, 2013
#8593 vector is being built even with `--no-dph` Build System 7.7 low new Dec 3, 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
#3373 GHC API is not thread safe GHC API low normal 7.10.1 new Jul 14, 2009
#4426 Simplify the rules for implicit quantification Compiler 6.12.3 low 7.10.1 patch Oct 22, 2010
#4959 Warning about variables with leading underscore that are used anyway Compiler (Parser) 7.0.1 low 7.10.1 new Feb 14, 2011
#2614 Enumeration of values for `Sys.Info.os`, `Sys.Info.arch` libraries/base 6.8.3 low minor 7.6.2 mjg new Sep 20, 2008
#3052 ghc FFI doesn't support thiscall Compiler (FFI) 6.10.1 low normal 7.6.2 new Feb 27, 2009
#3372 Allow for multiple linker instances Compiler low normal 7.6.2 new Jul 14, 2009
#3464 Find import declaration importing a certain function GHCi 6.10.4 low normal 7.6.2 new Aug 26, 2009
#3483 Some mechanism for eliminating "absurd" patterns Compiler 6.10.4 low normal 7.6.2 new Sep 3, 2009
#3547 Improve granularity of UndecidableInstances Compiler 6.10.4 low normal 7.6.2 new Sep 28, 2009
#3619 allow to set ghc search path globally (a'la CPATH) Compiler 6.10.4 low normal 7.6.2 new Oct 28, 2009
#3632 lift restrictions on records with existential fields, especially in the presence of class constraints Compiler 6.10.4 low normal 7.6.2 new Nov 2, 2009
#3645 Layout and pragmas Compiler (Parser) 6.10.4 low normal 7.6.2 new Nov 7, 2009
#3699 Wildcards in type functions Compiler 6.10.4 low 7.6.2 new Nov 27, 2009
#3701 allow existential wrapper newtypes Compiler 6.10.4 low 7.6.2 new Nov 28, 2009
#3753 Make ghci's -l option consistent with GNU ld's -l option GHCi 6.12.1 low 7.6.2 new Dec 15, 2009
#3786 showing function arguments when stopped at its definition GHCi 6.12.1 low 7.6.2 new Dec 25, 2009
#3869 RTS GC Statistics from -S should be logged via the eventlog system Runtime System 6.12.1 low 7.6.2 new Feb 8, 2010
#3895 "Fix" pervasive-but-unnecessary signedness in GHC.Prim Compiler low 7.6.2 new Feb 22, 2010
#3980 System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag libraries/unix 6.12.1 low 7.6.2 new Apr 11, 2010
#4016 Strange display behaviour in GHCi Compiler 6.12.2 low 7.6.2 new Apr 26, 2010
#4020 Please consider adding support for local type synonyms Compiler (Type checker) 6.12.2 low 7.6.2 new Apr 27, 2010
#4052 Two sided sections Compiler 6.12.2 low 7.6.2 new May 7, 2010
#4096 New primops for indexing: index*OffAddrUsing# etc Compiler 6.12.2 low 7.6.2 new May 25, 2010
#4114 Add a flag to remove/delete intermediate files generated by GHC Compiler 6.10.4 low 7.6.2 iduhetonas new Jun 2, 2010
#4180 do not consider associativity for unary minus for fixity resolution Compiler (Parser) 6.12.3 low 7.6.2 new Jul 8, 2010
#4213 LLVM: Add support for TNTC to LLVM compiler suite Compiler (LLVM) 6.13 low 7.6.2 dterei new Jul 23, 2010
#4222 Template Haskell lets you reify supposedly-abstract data types Compiler 6.12.3 low 7.6.2 new Jul 26, 2010
#4316 Interactive "do" notation in GHCi GHCi 7.0.3 low 7.6.2 new Sep 15, 2010
#4329 GHC.Conc modifyTVar primitive Compiler 6.12.3 low 7.6.2 new Sep 21, 2010
#4340 Add alignment to hsc2hs template Compiler (FFI) 6.12.3 low 7.6.2 new Sep 25, 2010
#4429 Ability to specify the namespace in mkName Template Haskell 6.12.3 low 7.6.2 reinerp new Oct 23, 2010
#4442 Add unaligned version of indexWordArray# libraries (other) 7.1 low 7.6.2 new Oct 26, 2010
#4453 Allow specifying .hi files of imports on command line in batch mode Compiler 6.12.3 low 7.6.2 new Oct 29, 2010
#4459 Polymorphic Data.Dynamic GHC API 7.1 low 7.6.2 vivian new Oct 31, 2010
#4466 Add extension for type application Compiler 6.12.3 low 7.6.2 new Nov 2, 2010
#4479 Add Type Directed Name Resolution Compiler (Type checker) 7.5 low 7.6.2 new Nov 6, 2010
#4520 startup code on Windows should use SetDllDirectory("") Runtime System 7.0.1 low 7.6.2 new Nov 22, 2010
#4806 Make error message more user friendly when module is not found because package is unusable Compiler 7.0.1 low 7.6.2 new Nov 30, 2010
#4815 Instance constraints should be used when deriving on associated data types Compiler 6.12.3 low 7.6.2 new Dec 3, 2010
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