{3} Feature requests by priority (514 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#3895 "Fix" pervasive-but-unnecessary signedness in GHC.Prim Compiler low 7.12.1 new Feb 22, 2010
#9624 "Unlikely constraint" recognition Compiler (Type checker) 7.8.3 normal new Sep 22, 2014
#9392 "\n" is displayed weirdly in error messages Compiler 7.8.3 low new Aug 1, 2014
#5590 "guarded instances": instance selection can add extra parameters to the class Compiler (Type checker) 7.2.1 normal 7.12.1 simonpj new Oct 28, 2011
#8850 (Compositional) function mkWeakChan Core Libraries 7.6.3 normal ekmett new Mar 5, 2014
#3140 (Windows?) GHCi doesn't load hierachical modules GHCi 6.10.1 lowest normal 7.12.1 new Apr 2, 2009
#1365 -fbyte-code is ignored in a OPTIONS_GHC pragma GHCi 6.6.1 lowest minor 7.12.1 new May 19, 2007
#8685 -split-objs doesn't work for executables Driver 7.6.3 normal new Jan 20, 2014
#3000 :break command should recognize also nonexported top level symbols in qualified IDs GHCi 6.10.1 lowest normal 7.12.1 new Feb 3, 2009
#2345 :browse limitations (browsing virtual namespaces, listing namespaces) GHCi 6.8.2 lowest normal 7.12.1 new Jun 4, 2008
#2215 :disable command to disable breakpoints GHCi 6.9 lowest major 7.12.1 new Apr 11, 2008
#9995 :info enhancements GHCi 7.8.4 normal new Jan 16, 2015
#2986 :info printing instances often isn't wanted GHCi 6.10.1 lowest normal 7.12.1 Remi new Jan 28, 2009
#9015 A documented way to differentiate between statements, declarations, imports, etc. GHC API 7.8.2 normal new Apr 20, 2014
#5927 A type-level "implies" constraint on Constraints Compiler (Type checker) 7.4.1 normal 7.12.1 new Mar 11, 2012
#9137 A way to match RULES only for literals Compiler 7.8.2 normal new May 23, 2014
#3021 A way to programmatically insert marks into heap profiling output Profiling 6.10.1 normal normal new Feb 12, 2009
#10383 AArch64: get GHC Calling convention working Compiler 7.11 normal 7.12.1 erikd new May 5, 2015
#10391 Ability to get export list of TH reified module Template Haskell low new May 7, 2015
#10331 Accept HsSyn in splices and generate it in quotes (ghc-api) Template Haskell 7.11 low new Apr 20, 2015
#8516 Add (->) representation and the Invariant class to GHC.Generics Compiler (Type checker) 7.7 low new Nov 9, 2013
#9952 Add -g<level> Compiler 7.8.4 normal new Jan 2, 2015
#9499 Add -prelude-is flag Compiler 7.9 normal agibiansky new Aug 21, 2014
#10323 Add Android and iOS Operating Systems in Trac Trac & Git normal hvr new Apr 18, 2015
#8354 Add INLINE (or at least INLINABLE) pragmas for methods of Ord in ghc-prim Core Libraries 7.6.3 normal ekmett new Sep 24, 2013
#10523 Add Monoid instance for IO libraries/base 7.10.1 normal 7.12.1 Gabriel439 patch Jun 15, 2015
#7741 Add SIMD support to x86/x86_64 NCG Compiler (NCG) 7.7 normal 7.12.1 new Mar 5, 2013
#10522 Add UInfixT, like UInfixE or UInfixP but for types Template Haskell 7.10.1 normal new Jun 14, 2015
#8347 Add a Strict LANGUAGE pragma Compiler 7.6.3 normal tibbe new Sep 23, 2013
#4114 Add a flag to remove/delete intermediate files generated by GHC Compiler 6.10.4 normal 7.12.1 VictorDenisov new Jun 2, 2010
#1894 Add a total order on type constructors Compiler (Type checker) 6.8.1 lowest normal 7.12.1 new Nov 14, 2007
#4340 Add alignment to hsc2hs template Compiler (FFI) 6.12.3 low 7.12.1 new Sep 25, 2010
#2550 Add an option to read file names from a file instead of the command line Package system 6.9 lowest normal 7.12.1 new Aug 27, 2008
#9835 Add bindings for marshaling to/from mpz_t libraries (other) 7.8.3 normal new Nov 25, 2014
#5073 Add blockST for nested ST scopes Compiler 7.0.3 low 7.12.1 new Apr 1, 2011
#3314 Add compilation date to +RTS --info Compiler 6.10.2 lowest normal 7.12.1 new Jun 20, 2009
#5941 Add compilation stage plugins Compiler 7.4.1 normal 7.12.1 infoneeded Mar 15, 2012
#9591 Add custom "Wiki" field in Trac Trac & Git normal hvr new Sep 15, 2014
#8903 Add dead store elimination Compiler 7.9 normal new Mar 16, 2014
#7181 Add documentation on heap-profile file format. Documentation 7.4.2 normal 7.12.1 new Aug 23, 2012
#3192 Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api GHC API 6.10.2 lowest normal 7.12.1 new Apr 25, 2009
#5296 Add explicit type applications Compiler (Type checker) 7.0.3 low 7.12.1 new Jul 3, 2011
#4466 Add extension for type application Compiler 6.12.3 low 7.12.1 new Nov 2, 2010
#7152 Add flag to configure that skips overwriting of symlinks on install Build System 7.4.2 normal 7.12.1 thoughtpolice new Aug 15, 2012
#8010 Add forkOSUnmasked (patch) Core Libraries 7.7 normal 7.12.1 infoneeded Jun 22, 2013
#3769 Add manpages for programs installed alongside ghc Documentation 6.12.1 normal new Dec 16, 2009
#9526 Add missing Generic instances in base Core Libraries 7.8.3 normal 7.12.1 dreixel new Aug 30, 2014
#9043 Add missing type class instances for data types in GHC.Generics Core Libraries 7.8.2 normal 7.12.1 dreixel infoneeded Apr 27, 2014
#7860 Add more bit fiddling functions to 'integer-gmp' Core Libraries 7.6.3 normal new Apr 23, 2013
#9037 Add option to make selected warnings errors Compiler 7.8.2 normal new Apr 24, 2014
#8299 Add richer data model address arithmetic: AddrDiff and AddrInt (ie d Int_ptr_diff and Int_ptr_size) Compiler 7.6.3 high 7.12.1 new Sep 14, 2013
#9192 Add sameByteArray# Compiler 7.8.2 normal new Jun 10, 2014
#10064 Add support for "foo"## literals to MagicHash Compiler 7.8.4 normal new Feb 4, 2015
#8596 Add support for "reponse files" to workaround Windows command line length limitations Compiler 7.6.3 normal new Dec 5, 2013
#8206 Add support for Portable Native Client Compiler normal Alex Sayers new Aug 31, 2013
#8581 Add support for explicitly-bidirectional pattern synonyms Compiler normal 7.12.1 new Dec 1, 2013
#10267 Add support for typed holes in Template Haskell Template Haskell 7.10.1 normal jstolarek new Apr 8, 2015
#8967 Add syntax for creating finite maps and sets Compiler 7.6.3 normal new Apr 7, 2014
#1407 Add the ability to :set -l{foo} in .ghci files GHCi 6.6.1 normal minor 7.10.1 archblob new Jun 2, 2007
#7048 Add the ability to statically define a `FunPtr` to a haskell function Compiler 7.4.2 normal 7.12.1 new Jul 4, 2012
#7104 Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue Core Libraries 7.4.2 normal 7.12.1 simonmar new Jul 30, 2012
#4442 Add unaligned version of indexWordArray# Compiler 7.1 low 7.12.1 ekmett new Oct 26, 2010
#10162 Add unicode syntax for banana brackets Compiler (Parser) 7.8.4 low new Mar 16, 2015
#5218 Add unpackCStringLen# to create Strings from string literals Compiler 7.0.3 normal 7.12.1 thoughtpolice new May 25, 2011
#2514 Add/Expose Binary API that allows dumping of any GHC Binary instance GHC API 6.9 lowest normal 7.12.1 nominolo infoneeded Aug 12, 2008
#1475 Adding imports and exports with Template Haskell Template Haskell 6.8.2 normal normal new Jul 1, 2007
#9385 Additions to Control.Monad Core Libraries 7.8.2 low ekmett infoneeded Jul 30, 2014
#8822 Allow -- ^ Haddock syntax on record constructors Compiler (Parser) 7.9 normal new Feb 25, 2014
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC Compiler (FFI) 7.4.1 normal 7.12.1 new Oct 5, 2012
#9500 Allow GHC defaults to be modified with an environment variable Build System 7.8.2 lowest new Aug 21, 2014
#8642 Allow GHCi to print non-pretty forms of things. GHCi 7.9 normal new Dec 30, 2013
#9352 Allow `State# s` argument/result types in `ccall` FFI imports Compiler (Type checker) 7.8.2 normal 7.12.1 new Jul 23, 2014
#10486 Allow addTopDecls to create annotations Template Haskell 7.10.1 normal new Jun 4, 2015
#5834 Allow both INLINE and INLINABLE for the same function Compiler 7.5 normal 7.12.1 new Jan 30, 2012
#1379 Allow breakpoints and single-stepping for functions defined interactively GHCi 6.7 lowest normal 7.12.1 new May 25, 2007
#7494 Allow compatible type synonyms to be the return type of a GADT data constructor. Compiler (Type checker) 7.4.1 normal 7.12.1 new Dec 10, 2012
#2427 Allow compilation of source from stdin Compiler 6.8.3 normal minor new Jul 7, 2008
#10592 Allow cycles in class declarations Compiler (Type checker) 7.10.1 normal new Jul 1, 2015
#6089 Allow declaration splices inside declaration brackets Template Haskell 7.4.1 normal 7.12.1 simonpj new May 11, 2012
#6024 Allow defining kinds alone, without a datatype Compiler (Type checker) 7.5 normal 7.12.1 infoneeded Apr 19, 2012
#9671 Allow expressions in patterns Compiler normal 7.12.1 new Oct 8, 2014
#8441 Allow family instances in an hs-boot file Compiler 7.7 low ezyang new Oct 13, 2013
#3372 Allow for multiple linker instances Compiler low normal 7.12.1 new Jul 14, 2009
#8477 Allow inferring ambiguous types Compiler (Type checker) 7.6.3 normal new Oct 25, 2013
#3541 Allow local foreign imports Compiler (FFI) 6.12.2 normal normal DevarshDesai new Sep 25, 2009
#9974 Allow more general structural recursion without UndecidableInstances Compiler (Type checker) 7.11 normal new Jan 9, 2015
#2551 Allow multiple modules per source file Compiler 6.9 normal normal new Aug 28, 2008
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) Compiler 6.10.2 normal normal new Jun 4, 2007
#2101 Allow some form of type-level lemma Compiler 6.8.2 normal normal new Feb 15, 2008
#4453 Allow specifying .hi files of imports on command line in batch mode Compiler 6.12.3 low 7.12.1 new Oct 29, 2010
#2041 Allow splicing in concrete syntax Template Haskell 6.8.2 normal normal new Jan 13, 2008
#7331 Allow the evaluation of declaration splices in GHCi GHCi 7.6.1 normal 7.12.1 new Oct 15, 2012
#7140 Allow type signature in export list Compiler (Type checker) normal 7.12.1 new Aug 13, 2012
#1965 Allow unconstrained existential contexts in newtypes Compiler 6.8.1 normal minor 7.12.1 new Dec 8, 2007
#5108 Allow unicode sub/superscript symbols in both identifiers and operators Compiler (Parser) 7.1 normal 7.12.1 infoneeded Apr 12, 2011
#8099 Alternate syntax for indicating when a function is "fully applied" for purposes of inlining Compiler 7.6.3 normal new Jul 27, 2013
#8920 Alternative GADT syntax Compiler (Parser) 7.8.1-rc2 normal 7.12.1 new Mar 22, 2014
#9429 Alternative to type family Any Compiler 7.9 normal new Aug 10, 2014
#8605 Alternative, guard-like syntax for view patterns Compiler normal new Dec 10, 2013
#9030 An async exception handler that blocks throwTo until handler finishes running Compiler 7.8.2 normal new Apr 23, 2014
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