./math/hs-contravariant, Contravariant functors

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Branch: CURRENT, Version: 1.5.5nb6, Package name: hs-contravariant-1.5.5nb6, Maintainer: pho

Contravariant functors, sometimes referred to colloquially as
cofunctor, even though the dual of a functor is just a functor. As
with functor the definition of contravariant for a given ADT is
unambiguous.


Required to run:
[devel/hs-transformers-compat] [math/hs-semigroups] [devel/hs-StateVar] [lang/ghc88]

Required to build:
[pkgtools/cwrappers]

Master sites:

Filesize: 13.491 KB

Version history: (Expand)

CVS history: (Expand)


   2024-04-29 09:15:44 by Masatake Daimon | Files touched by this commit (1) 
Log message:
math/hs-contravariant: Fix build with GHC 9.8

This breaks build with the currently default GHC 9.6. Please bear with me
until I switch the default compiler.
   2023-11-02 07:37:49 by Masatake Daimon | Files touched by this commit (1141) 
Log message:
Revbump all Haskell after updating lang/ghc96
   2023-10-27 16:08:18 by Masatake Daimon | Files touched by this commit (1) 
Log message:
math/hs-contravariant: Fix build with GHC 9.6
   2023-10-09 06:55:01 by Masatake Daimon | Files touched by this commit (988) 
Log message:
Bump Haskell packages after updating lang/ghc94
   2023-01-26 12:03:50 by Masatake Daimon | Files touched by this commit (3) 
Log message:
math/hs-contravariant: Remove unnecessary dependencies
   2022-02-26 04:58:36 by Masatake Daimon | Files touched by this commit (872) 
Log message:
Bump all Haskell packages after enabling "split sections" in mk/haskell.mk
   2022-02-12 09:51:00 by Masatake Daimon | Files touched by this commit (575) 
Log message:
revbump after changing the default Haskell compiler
   2022-02-12 06:15:55 by Masatake Daimon | Files touched by this commit (3) 
Log message:
Update to contravariant-1.5.5

1.5.5 [2021.07.27]
    Fix the build on old GHCs using transformers-0.6.*.

1.5.4 [2021.07.25]
    Allow building with transformers-0.6.*.