{3} Feature requests by priority (386 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#8429 GHC.Base.{breakpoint, breakpointCond} do nothing Compiler 7.6.3 normal 7.10.1 iand675 new Oct 10, 2013
#8439 add a CPP program field to Settings file (decouple CPP program and C compiler choice) Compiler 7.7 normal 7.10.1 new Oct 12, 2013
#8460 Annotation reification with types in TH Template Haskell 7.7 normal 7.10.1 patch Oct 19, 2013
#8695 Arithmetic overflow from (minBound :: Int) `quot` (-1) libraries/haskell2010 7.6.3 normal 7.10.1 patch Jan 24, 2014
#8920 Alternative GADT syntax Compiler (Parser) 7.8.1-rc2 normal 7.10.1 new Mar 22, 2014
#8943 Add System.Process.createPipe libraries/process 7.6.3 normal 7.10.1 patch Mar 30, 2014
#9004 Add sortOn function to Data.List libraries/base 7.8.2 normal 7.10.1 new Apr 16, 2014
#9008 Data.Function: Add reverse application operator libraries/base 7.8.2 normal 7.10.1 new Apr 17, 2014
#849 Offer control over branch prediction Compiler 6.4.2 normal normal 7.6.2 new Aug 8, 2006
#1965 Allow unconstrained existential contexts in newtypes Compiler 6.8.1 normal minor 7.6.2 new Dec 8, 2007
#3085 warn about language extensions that are not used Compiler 6.10.1 normal normal 7.6.2 new Mar 11, 2009
#3217 Make GHCi have separate flags for interactive Haskell expressions Compiler 6.10.2 normal normal 7.6.2 new May 11, 2009
#3984 Handle multiline input in GHCi history GHCi 6.12.1 normal 7.6.2 new Apr 13, 2010
#4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# Compiler 6.12.2 normal 7.6.2 new May 24, 2010
#4102 Bit manipulation built-ins libraries/base 6.12.2 normal 7.6.2 new May 29, 2010
#4385 Type-level natural numbers Compiler (Type checker) normal 7.6.2 diatchki new Oct 11, 2010
#4470 Loop optimization: identical counters Compiler normal 7.6.2 new Nov 4, 2010
#4937 Remove indirections caused by sum types, such as Maybe Compiler 7.0.1 normal 7.6.2 new Jan 31, 2011
#5075 CPR optimisation for sum types if only one constructor is used Compiler 7.0.3 normal 7.6.2 simonpj new Apr 1, 2011
#5108 Allow unicode sub/superscript symbols in both identifiers and operators Compiler (Parser) 7.1 normal 7.6.2 new Apr 12, 2011
#5239 Em-dash for "--" with UnicodeSyntax. Compiler (Parser) 7.0.3 normal 7.6.2 new Jun 5, 2011
#5364 Access RTS flag values from inside Haskell programs libraries/base 7.3 normal 7.6.2 new Jul 30, 2011
#5392 Warnings about impossible MPTCs would be nice Compiler 7.0.4 normal 7.6.2 new Aug 8, 2011
#5429 Docase notation as GHC extension Compiler normal 7.6.2 tomasp new Aug 24, 2011
#5467 Template Haskell: support for Haddock comments Template Haskell 7.2.1 normal 7.6.2 new Sep 7, 2011
#5542 also parse class/instance declarations as "HEAD <= CONTEXT where" Compiler (Parser) 7.2.1 normal 7.6.2 new Oct 9, 2011
#5556 Support pin-changing on ByteArray#s Compiler 7.2.1 normal 7.6.2 new Oct 13, 2011
#5590 "guarded instances": instance selection can add extra parameters to the class Compiler (Type checker) 7.2.1 normal 7.6.2 simonpj new Oct 28, 2011
#5619 Shorter qualified import statements Compiler 7.2.1 normal 7.6.2 new Nov 9, 2011
#5647 CLI option to silence "Loading package foo ... linking ... done" output Compiler 7.2.1 normal 7.6.2 new Nov 19, 2011
#5672 parBufferWHNF could be less subtle libraries (other) 7.2.1 normal 7.6.2 duncan new Dec 2, 2011
#5813 Offer a compiler warning for failable pattern matches Compiler 7.2.2 normal 7.6.2 new Jan 24, 2012
#5823 FFI and CAPI needs {-# INCLUDE #-} back? Compiler 7.5 normal 7.6.2 new Jan 28, 2012
#5834 Allow both INLINE and INLINABLE for the same function Compiler 7.5 normal 7.6.2 new Jan 30, 2012
#5835 Make better use of known dictionaries Compiler 7.5 normal 7.6.2 new Jan 30, 2012
#5850 Greater customization of GHCi prompt GHCi 7.4.1 normal 7.6.2 new Feb 7, 2012
#5927 A type-level "implies" constraint on Constraints Compiler (Type checker) 7.4.1 normal 7.6.2 new Mar 11, 2012
#5942 implement POSIX confstr() in System/Posix/Unistd.hsc libraries/unix 7.4.1 normal 7.6.2 new Mar 15, 2012
#7105 Better names for derived SCCs of instances Profiling 7.4.2 normal 7.6.2 simonmar new Jul 30, 2012
#4259 Relax restrictions on type family instance overlap Compiler (Type checker) 6.12.1 normal 7.8.3 new Aug 16, 2010
#4900 DEPENDS pragma Compiler normal 7.8.3 new Jan 18, 2011
#5941 Add compilation stage plugins Compiler 7.4.1 normal 7.8.3 new Mar 15, 2012
#5972 option to suppress (Monomorphic) record selector functions Compiler normal 7.8.3 adamgundry new Mar 27, 2012
#6018 Injective type families Compiler 7.4.1 normal 7.8.3 simonpj new Apr 18, 2012
#6024 Allow defining kinds alone, without a datatype Compiler (Type checker) 7.5 normal 7.8.3 new Apr 19, 2012
#6089 Allow declaration splices inside declaration brackets Template Haskell 7.4.1 normal 7.8.3 simonpj new May 11, 2012
#7015 Add support for 'static' Compiler 7.4.2 normal 7.8.3 new Jun 20, 2012
#7048 Add the ability to statically define a `FunPtr` to a haskell function Compiler 7.4.2 normal 7.8.3 new Jul 4, 2012
#7081 arrow analogs of lambda case and multi-way if Compiler 7.5 normal 7.8.3 new Jul 16, 2012
#7104 Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue libraries (other) 7.4.2 normal 7.8.3 simonmar new Jul 30, 2012
#7140 Allow type signature in export list Compiler (Type checker) normal 7.8.3 new Aug 13, 2012
#7158 GHCi commands case insensitive GHCi 7.6.1-rc1 normal 7.8.3 new Aug 17, 2012
#7169 Warning for incomplete record field label used as function Compiler 7.7 normal 7.8.3 new Aug 20, 2012
#7181 Add documentation on heap-profile file format. Documentation 7.4.2 normal 7.8.3 new Aug 23, 2012
#7204 Use a class to control FFI marshalling Compiler 7.4.2 normal 7.8.3 new Aug 31, 2012
#7253 Top-level bindings in ghci GHCi 7.6.1 normal 7.8.3 new Sep 19, 2012
#7275 Give more detailed information about PINNED data in a heap profile Compiler 7.6.1 normal 7.8.3 new Sep 28, 2012
#7283 Specialise INLINE functions Compiler 7.7 normal 7.8.3 new Sep 30, 2012
#7285 mkWeakMVar is non-compositional Compiler 7.6.1 normal 7.8.3 new Oct 1, 2012
#7330 Data Parallel Haskell (DPH) isn't usable yet. Compiler 7.6.1 normal 7.8.3 benl new Oct 15, 2012
#7331 Allow the evaluation of declaration splices in GHCi GHCi 7.6.1 normal 7.8.3 new Oct 15, 2012
#7335 Need for extra warning pragma for accidental pattern matching in do blocks Compiler 7.6.1 normal 7.8.3 new Oct 16, 2012
#7337 GHC does not generate great code for bit-level rotation Compiler 7.6.1 normal 7.8.3 new Oct 16, 2012
#7395 DefaultSignatures conflict with default implementations Compiler 7.6.1 normal 7.8.3 new Nov 5, 2012
#7401 Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so. Compiler 7.6.1 normal 7.8.3 monoidal new Nov 9, 2012
#7413 runghc (runhaskell) should be able to reload code on editing Compiler 7.6.1 normal 7.8.3 new Nov 13, 2012
#7414 plugins always trigger recompilation Compiler 7.6.1 normal 7.8.3 new Nov 14, 2012
#7459 deriving Generic does not work with TypeLits Compiler 7.6.1 normal 7.8.3 dreixel new Nov 29, 2012
#7492 Generic1 deriving: Can we replace Rec1 f with f :.: Par1? Compiler 7.7 normal 7.8.3 dreixel new Dec 9, 2012
#7494 Allow compatible type synonyms to be the return type of a GADT data constructor. Compiler (Type checker) 7.4.1 normal 7.8.3 new Dec 10, 2012
#7495 Rebindable list syntax? Compiler 7.6.1 normal 7.8.3 new Dec 10, 2012
#7544 GHC downloads are unsigned Build System 7.6.1 normal 7.8.3 new Jan 2, 2013
#7606 Stride scheduling for Haskell threads with priorities Runtime System 7.7 normal 7.8.3 ezyang new Jan 18, 2013
#7635 SafeHaskell implying other options Compiler 7.6.1 normal 7.8.3 new Jan 28, 2013
#7637 split-objs not supported for ARM Compiler 7.7 normal 7.8.3 new Jan 29, 2013
#7741 Add SIMD support to x86/x86_64 NCG Compiler 7.7 normal 7.8.3 new Mar 5, 2013
#7746 Support loading/unloading profiled objects from a profiled executable Runtime System 7.7 normal 7.8.3 ezyang new Mar 7, 2013
#7763 Resource limits for Haskell Profiling 7.7 normal 7.8.3 simonmar infoneeded Mar 12, 2013
#7767 "internal error: evacuate: strange closure type 154886248" crash Runtime System 7.6.2 normal 7.8.3 new Mar 13, 2013
#7808 data families and TH names do not mix well (e.g. cannot use TH deriving) Template Haskell 7.6.2 normal 7.8.3 new Apr 3, 2013
#8761 Make pattern synonyms work with Template Haskell Template Haskell normal 7.8.3 new Feb 9, 2014
#8781 check if GNU nm is really needed and if so let configure detect gnm Build System 7.8.1-rc1 normal 7.8.3 kgardas patch Feb 13, 2014
#95 GHCi :edit command should jump to the the last error GHCi None normal minor new Nov 11, 2002
#110 Cygwin binaries None None normal minor new Jan 15, 2003
#284 RPM doesn't support --prefix Build System None normal minor juhp new Dec 13, 2004
#285 hp-ux 11.11 binaries None None normal minor new Dec 20, 2004
#368 Provide a Java Backend Compiler None normal minor new Apr 28, 2005
#393 functions without implementations Compiler (Type checker) None normal normal simonpj new May 26, 2005
#436 Declare large amounts of constant data Compiler None normal minor new Aug 11, 2005
#472 Supertyping of classes Compiler (Type checker) None normal minor new Oct 20, 2005
#728 switch to compacting collection when swapping occurs Runtime System 6.4.1 normal major new Mar 16, 2006
#750 Set -M, -H, -c and other memory-related values based on available virtual/physical memory Runtime System 6.4.1 normal normal new Apr 19, 2006
#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
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