{3} Feature requests by priority (583 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#2595 Implement record update for existential and GADT data types Compiler 6.8.3 normal normal new Sep 15, 2008
#6077 Respect XDG_CONFIG_HOME None 7.4.1 normal new May 4, 2012
#7952 Can cost-centre annotations be included in -ddump-simpl? Compiler 7.6.3 normal new May 29, 2013
#8043 Feature Request : Qualified module exports Compiler 7.7 normal new Jul 8, 2013
#8045 Move I/O manager benchmarks into the GHC tree NoFib benchmark suite 7.6.3 normal new Jul 8, 2013
#8046 Make the timer management scale better across multicore Compiler 7.6.3 normal new Jul 8, 2013
#8061 Support for Complex Double in Foreign Function Interface Compiler 7.6.3 normal new Jul 15, 2013
#8086 Minimal install for GHC Compiler 7.6.3 normal new Jul 23, 2013
#8099 Alternate syntax for indicating when a function is "fully applied" for purposes of inlining Compiler 7.6.3 normal new Jul 27, 2013
#8150 Foreign export requires redundant type signature Compiler 7.6.3 normal new Aug 21, 2013
#8171 Extending ExtendedDefaultRules Compiler 7.6.3 normal new Aug 24, 2013
#8220 Macros / functions for source location Compiler 7.6.3 normal new Sep 3, 2013
#8263 allow duplicate deriving / standalone deriving Compiler 7.6.3 normal new Sep 10, 2013
#8300 split-objs doesn't split on LLVM Compiler (LLVM) 7.7 normal new Sep 14, 2013
#8311 suboptimal code generated for even :: Int -> Bool by NCG (x86, x86_64) Compiler (NCG) 7.7 normal new Sep 16, 2013
#8325 Pattern guards in anonymous functions Compiler 7.6.3 normal new Sep 18, 2013
#8372 enable -dcmm-lint by default for .cmm input files Compiler 7.7 normal new Sep 27, 2013
#8404 Default to turning on architecture specific optimizations in the codegen Compiler (NCG) 7.6.3 normal new Oct 3, 2013
#8881 No way to unsubscribe a bug Trac & Git normal new Mar 13, 2014
#9143 feature request: way to set actual program argv Runtime System 7.8.2 normal new May 25, 2014
#9700 Support C structures in Haskell FFI Compiler 7.8.3 normal new Oct 16, 2014
#4879 Deprecate exports Compiler 7.0.1 normal 8.2.1 new Jan 5, 2011
#5835 Make better use of known dictionaries Compiler 7.5 normal 8.2.1 new Jan 30, 2012
#8299 Add richer data model address arithmetic: AddrDiff and AddrInt (ie d Int_ptr_diff and Int_ptr_size) Compiler 7.6.3 normal 8.2.1 new Sep 14, 2013
#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
#1273 would like to print partial application values when at a breakpoint GHCi 6.7 normal normal new Apr 12, 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
#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
#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
#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
#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
#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
#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
#3557 CPU Vector instructions in GHC.Prim Data Parallel Haskell 6.11 normal normal new Oct 2, 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
#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
#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
#5416 Local modules and Template Haskell declaration splices Template Haskell 7.2.1 normal new Aug 16, 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
#8828 Type pattern synonyms Compiler (Type checker) 7.6.2 normal new Feb 27, 2014
#1965 Allow unconstrained existential contexts in newtypes Compiler 6.8.1 normal minor new Dec 8, 2007
#2168 ghci should show haddock comments for identifier GHCi 6.8.2 normal normal new Mar 22, 2008
#3085 warn about language extensions that are not used Compiler 6.10.1 normal normal new Mar 11, 2009
#3984 Handle multiline input in GHCi history GHCi 6.12.1 normal new Apr 13, 2010
#4259 Relax restrictions on type family instance overlap Compiler (Type checker) 6.12.1 normal new Aug 16, 2010
#4470 Loop optimization: identical counters Compiler normal new Nov 4, 2010
#4900 Consider usage files in the GHCi recompilation check Compiler normal new Jan 18, 2011
#4937 Remove indirections caused by sum types, such as Maybe Compiler 7.0.1 normal new Jan 31, 2011
#5108 Allow unicode sub/superscript symbols in operators Compiler (Parser) 7.1 normal new Apr 12, 2011
#5392 Warnings about impossible MPTCs would be nice Compiler 7.0.4 normal new Aug 8, 2011
#5467 Template Haskell: support for Haddock comments Template Haskell 7.2.1 normal new Sep 7, 2011
#5556 Support pin-changing on ByteArray#s Compiler 7.2.1 normal new Oct 13, 2011
#5619 Shorter qualified import statements Compiler 7.2.1 normal new Nov 9, 2011
#5813 Offer a compiler warning for failable pattern matches Compiler 7.2.2 normal new Jan 24, 2012
#5823 FFI and CAPI needs {-# INCLUDE #-} back? Compiler 7.5 normal new Jan 28, 2012
#5834 Allow both INLINE and INLINABLE for the same function Compiler 7.5 normal new Jan 30, 2012
#5910 Holes with other constraints Compiler (Type checker) 7.5 normal new Mar 2, 2012
#5927 A type-level "implies" constraint on Constraints Compiler (Type checker) 7.4.1 normal new Mar 11, 2012
#5941 Add compilation stage plugins Compiler 7.4.1 normal new Mar 15, 2012
#5985 Type operators are not accepted as variables in contexts Compiler 7.5 normal new Apr 2, 2012
#6024 Allow defining kinds alone, without a datatype Compiler (Type checker) 7.5 normal infoneeded Apr 19, 2012
#7048 Add the ability to statically define a `FunPtr` to a haskell function Compiler 7.4.2 normal new Jul 4, 2012
#7081 arrow analogs of lambda case and multi-way if Compiler 7.5 normal new Jul 16, 2012
#7140 Allow type signature in export list Compiler (Type checker) normal new Aug 13, 2012
#7158 GHCi commands case insensitive GHCi 7.6.1-rc1 normal new Aug 17, 2012
#7169 Warning for incomplete record field label used as function Compiler 7.7 normal new Aug 20, 2012
#7181 Add documentation on heap-profile file format. Documentation 7.4.2 normal new Aug 23, 2012
#7204 Use a class to control FFI marshalling Compiler 7.4.2 normal new Aug 31, 2012
#7275 Give more detailed information about PINNED data in a heap profile Profiling 7.6.1 normal new Sep 28, 2012
#7283 Specialise INLINE functions Compiler 7.7 normal new Sep 30, 2012
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC Compiler (FFI) 7.4.1 normal new Oct 5, 2012
#7331 Allow the evaluation of declaration splices in GHCi GHCi 7.6.1 normal new Oct 15, 2012
#7335 Need for extra warning pragma for accidental pattern matching in do blocks Compiler 7.6.1 normal new Oct 16, 2012
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