Issues · Glasgow Haskell Compiler / GHC · GitLab

Warn on unnecessarily strict patterns

#17198 · opened Sep 16, 2019 by Joseph C. Sible feature request
- 2
updated Mar 14, 2020
Or-patterns as GHC extension

#3919 · opened Mar 14, 2010 by BjornEdstrom Pnormal Trac import feature request 5
- 21
updated Mar 13, 2020
No -pgmcxx option to correspond with -optcxx

#17583 · opened Dec 16, 2019 by Merijn Verstraaten 8.10.2 feature request
- 2
- 2
updated Mar 04, 2020
Windows without MinGW

#17192 · opened Sep 13, 2019 by John Ericson ⊥ Windows feature request
- 1
- 10
updated Mar 03, 2020
Implement native CPP

#14553 · opened Dec 03, 2017 by David Feuer Pnormal Trac import feature request 5
- 4
updated Feb 25, 2020
Better error messages for misspelled modules

#17868 · opened Feb 23, 2020 by Niklas Hambüchen error messages feature request
- 0
updated Feb 23, 2020
relax -Wmissing-import-lists to allow one module with implicit imports when using NoImplicitPrelude

#14049 · opened Jul 28, 2017 by cdepillabout Pnormal Trac import feature request 5
- 1
updated Feb 21, 2020
Pattern syntax error message vague / pattern syntax overly restricted

#17824 · opened Feb 11, 2020 by John Ericson error messages feature request parser
- 7
updated Feb 20, 2020
Allow unconstrained existential contexts in newtypes

#1965 · opened Dec 08, 2007 by guest 8.0.1 Pnormal Trac import feature request 5
- 1
- 43
updated Feb 19, 2020
Optimize repeated usage of instance methods.

#17795 · opened Feb 06, 2020 by Andreas Klebinger ⊥ CSE Plow feature request
- 3
updated Feb 18, 2020
Allow data family instances with type family applications in the data family's result kind

#17503 · opened Nov 21, 2019 by Sebastian Graf Pnormal TypeFamilies UnliftedNewtypes feature request
- 5
updated Feb 18, 2020
Levity Polymorphic Pattern Synonyms

#17178 · opened Sep 11, 2019 by Andrew Martin PatternSynonyms feature request levity polymorphism
- 6
updated Feb 17, 2020
Implement "fat" interface files which can be directly compiled without source

#10871 · opened Sep 12, 2015 by Edward Z. Yang Plow Trac import backpack feature request 0
- 1
- 31
updated Feb 17, 2020
DefaultSignatures: error message mentions internal name

#10087 · opened Feb 14, 2015 by andreas.abel DefaultSignatures Pnormal Trac import feature request typechecker 5
- 13
updated Feb 11, 2020
Allow default methods to be implemented using template haskell

#17212 · opened Sep 19, 2019 by Matthew Pickering DefaultSignatures TemplateHaskell feature request
- 0
updated Feb 11, 2020
Deriving should be (more closely) integrated with other metaprogramming methods

#12457 · opened Aug 04, 2016 by Matthew Pickering Pnormal Trac import deriving feature request 5
- 8
updated Feb 11, 2020
Ideas about testing and verifying code generated by typed template haskell

#17804 · opened Feb 08, 2020 by Matthew Pickering feature request typed TemplateHaskell
- 0
updated Feb 09, 2020
Applicative Comprehensions

#10976 · opened Oct 16, 2015 by davidar 8.0.1 ApplicativeDo Pnormal Trac import feature request 5
- 1
- 3
updated Feb 06, 2020
GHC could generate GADT record selectors in more cases

#8673 · opened Jan 17, 2014 by Simon Peyton Jones GADTs Pnormal Trac import feature request 5
- 3
updated Feb 05, 2020
Allow multiple modules per source file

#2551 · opened Aug 28, 2008 by YitzGale Pnormal Trac import feature request 5
- 9
updated Feb 03, 2020

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