semigroupoids 5.2.1 → 5.2.2
raw patch · 12 files changed
+225/−109 lines, 12 filesdep +template-haskelldep ~basedep ~doctestdep ~transformers-compat
Dependencies added: template-haskell
Dependency ranges changed: base, doctest, transformers-compat
Files
- .travis.yml +120/−94
- CHANGELOG.markdown +12/−0
- semigroupoids.cabal +16/−7
- src/Data/Functor/Alt.hs +13/−2
- src/Data/Functor/Apply.hs +0/−5
- src/Data/Functor/Bind.hs +0/−1
- src/Data/Functor/Bind/Class.hs +19/−0
- src/Data/Functor/Bind/Trans.hs +2/−0
- src/Data/Groupoid.hs +19/−0
- src/Data/Semigroup/Bitraversable.hs +2/−0
- src/Data/Semigroup/Traversable.hs +3/−0
- src/Data/Semigroupoid.hs +19/−0
.travis.yml view
@@ -1,121 +1,147 @@-# This file has been generated -- see https://github.com/hvr/multi-ghc-travis+# This Travis job script has been generated by a script via+#+# runghc make_travis_yml_2.hs '-o' '.travis.yml' '--irc-channel=irc.freenode.org#haskell-lens' '--no-no-tests-no-bench' '--no-installed' 'cabal.project'+#+# For more information, see https://github.com/hvr/multi-ghc-travis+# language: c sudo: false +git:+ submodules: false # whether to recursively clone submodules++notifications:+ irc:+ channels:+ - "irc.freenode.org#haskell-lens"+ skip_join: true+ template:+ - "\x0313semigroupoids\x03/\x0306%{branch}\x03 \x0314%{commit}\x03 %{build_url} %{message}"+ cache: directories:- - $HOME/.cabsnap - $HOME/.cabal/packages+ - $HOME/.cabal/store before_cache: - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log- - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar+ # remove files that are regenerated by 'cabal update'+ - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.*+ - rm -fv $HOME/.cabal/packages/hackage.haskell.org/*.json+ - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.cache+ - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar+ - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar.idx + - rm -rfv $HOME/.cabal/packages/head.hackage+ matrix: include:- - env: CABALVER=1.24 GHCVER=7.0.4- compiler: ": #GHC 7.0.4"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.0.4], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=7.2.2- compiler: ": #GHC 7.2.2"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.2.2], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=7.4.2- compiler: ": #GHC 7.4.2"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.4.2], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=7.6.3- compiler: ": #GHC 7.6.3"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.6.3], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=7.8.4- compiler: ": #GHC 7.8.4"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.8.4], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=7.10.3- compiler: ": #GHC 7.10.3"- addons: {apt: {packages: [cabal-install-1.24,ghc-7.10.3], sources: [hvr-ghc]}}- - env: CABALVER=1.24 GHCVER=8.0.2- compiler: ": #GHC 8.0.2"- addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}- - env: CABALVER=2.0 GHCVER=8.2.1- compiler: ": #GHC 8.2.1"- addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.1], sources: [hvr-ghc]}}- - env: CABALVER=head GHCVER=head- compiler: ": #GHC head"- addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}+ - compiler: "ghc-7.0.4"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.0.4], sources: [hvr-ghc]}}+ - compiler: "ghc-7.2.2"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.2.2], sources: [hvr-ghc]}}+ - compiler: "ghc-7.4.2"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.4.2], sources: [hvr-ghc]}}+ - compiler: "ghc-7.6.3"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.6.3], sources: [hvr-ghc]}}+ - compiler: "ghc-7.8.4"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.8.4], sources: [hvr-ghc]}}+ - compiler: "ghc-7.10.3"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-7.10.3], sources: [hvr-ghc]}}+ - compiler: "ghc-8.0.2"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-8.0.2], sources: [hvr-ghc]}}+ - compiler: "ghc-8.2.2"+ # env: TEST=--disable-tests BENCH=--disable-benchmarks+ addons: {apt: {packages: [*apt_packages,cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}+ - compiler: "ghc-8.4.1"+ env: GHCHEAD=true+ addons: {apt: {packages: [*apt_packages,cabal-install-head,ghc-8.4.1], sources: [hvr-ghc]}}+ - compiler: "ghc-head"+ env: GHCHEAD=true+ addons: {apt: {packages: [*apt_packages,cabal-install-head,ghc-head], sources: [hvr-ghc]}} allow_failures:- - env: CABALVER=1.24 GHCVER=7.0.4- - env: CABALVER=1.24 GHCVER=7.2.2- - env: CABALVER=head GHCVER=head+ - compiler: "ghc-7.0.4"+ - compiler: "ghc-7.2.2"+ - compiler: "ghc-8.4.1"+ - compiler: "ghc-head" before_install:- - unset CC- - export PATH=$HOME/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH+ - HC=${CC}+ - HCPKG=${HC/ghc/ghc-pkg}+ - unset CC+ - ROOTDIR=$(pwd)+ - mkdir -p $HOME/.local/bin+ - "PATH=/opt/ghc/bin:/opt/ghc-ppa-tools/bin:$HOME/local/bin:$PATH"+ - HCNUMVER=$(( $(${HC} --numeric-version|sed -E 's/([0-9]+)\.([0-9]+)\.([0-9]+).*/\1 * 10000 + \2 * 100 + \3/') ))+ - echo $HCNUMVER install:- - cabal --version- - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"- - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];- then- zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >- $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;- fi- - travis_retry cabal update -v- - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config- - cabal install --only-dependencies --enable-tests --dry -v > installplan.txt- - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt+ - cabal --version+ - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"+ - BENCH=${BENCH---enable-benchmarks}+ - TEST=${TEST---enable-tests}+ - HADDOCK=${HADDOCK-true}+ - INSTALLED=${INSTALLED-true}+ - GHCHEAD=${GHCHEAD-false}+ - travis_retry cabal update -v+ - "sed -i.bak 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config"+ - rm -fv cabal.project cabal.project.local+ # Overlay Hackage Package Index for GHC HEAD: https://github.com/hvr/head.hackage+ - |+ if $GHCHEAD; then+ sed -i.bak 's/-- allow-newer:.*/allow-newer: *:base, *:template-haskell, *:ghc, *:Cabal/' ${HOME}/.cabal/config -# check whether current requested install-plan matches cached package-db snapshot- - if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;- then- echo "cabal build-cache HIT";- rm -rfv .ghc;- cp -a $HOME/.cabsnap/ghc $HOME/.ghc;- cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;- else- echo "cabal build-cache MISS";- rm -rf $HOME/.cabsnap;- mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;- cabal install -j --only-dependencies --enable-tests;- fi+ echo 'repository head.hackage' >> ${HOME}/.cabal/config+ echo ' url: http://head.hackage.haskell.org/' >> ${HOME}/.cabal/config+ echo ' secure: True' >> ${HOME}/.cabal/config+ echo ' root-keys: 07c59cb65787dedfaef5bd5f987ceb5f7e5ebf88b904bbd4c5cbdeb2ff71b740' >> ${HOME}/.cabal/config+ echo ' 2e8555dde16ebd8df076f1a8ef13b8f14c66bad8eafefd7d9e37d0ed711821fb' >> ${HOME}/.cabal/config+ echo ' 8f79fd2389ab2967354407ec852cbe73f2e8635793ac446d09461ffb99527f6e' >> ${HOME}/.cabal/config+ echo ' key-threshold: 3' >> ${HOME}/.cabal.config -# snapshot package-db on cache miss- - if [ ! -d $HOME/.cabsnap ];- then- echo "snapshotting package-db to build-cache";- mkdir $HOME/.cabsnap;- cp -a $HOME/.ghc $HOME/.cabsnap/ghc;- cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;- fi+ cabal new-update head.hackage -v+ fi+ - grep -Ev -- '^\s*--' ${HOME}/.cabal/config | grep -Ev '^\s*$'+ - "printf 'packages: \".\"\\n' > cabal.project"+ - cat cabal.project+ - if [ -f "./configure.ac" ]; then+ (cd "." && autoreconf -i);+ fi+ - rm -f cabal.project.freeze+ - cabal new-build -w ${HC} ${TEST} ${BENCH} --project-file="cabal.project" --dep -j2 all+ - rm -rf "."/.ghc.environment.* "."/dist+ - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX) -# Here starts the actual work to be performed for the package under-# test; any command which exits with a non-zero exit code causes the-# build to fail.+# Here starts the actual work to be performed for the package under test;+# any command which exits with a non-zero exit code causes the build to fail. script:- # -v2 provides useful information for debugging- - cabal configure --enable-tests -v2+ # test that source-distributions can be generated+ - (cd "." && cabal sdist)+ - mv "."/dist/semigroupoids-*.tar.gz ${DISTDIR}/+ - cd ${DISTDIR} || false+ - find . -maxdepth 1 -name '*.tar.gz' -exec tar -xvf '{}' \;+ - "printf 'packages: semigroupoids-*/*.cabal\\n' > cabal.project"+ - cat cabal.project - # this builds all libraries and executables- # (including tests/benchmarks)- - cabal build - - cabal test+ # build & run tests, build benchmarks+ - cabal new-build -w ${HC} ${TEST} ${BENCH} all+ - if [ "x$TEST" = "x--enable-tests" ]; then cabal new-test -w ${HC} ${TEST} ${BENCH} all; fi - # tests that a source-distribution can be generated- - cabal sdist+ # cabal check+ - (cd semigroupoids-* && cabal check) - # check that the generated source-distribution can be built & installed- - export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}') ;- cd dist/;- if [ -f "$SRC_TGZ" ]; then- cabal install --force-reinstalls "$SRC_TGZ";- else- echo "expected '$SRC_TGZ' not found";- exit 1;- fi+ # haddock+ - rm -rf ./dist-newstyle+ - if $HADDOCK; then cabal new-haddock -w ${HC} ${TEST} ${BENCH} all; else echo "Skipping haddock generation";fi -notifications:- irc:- channels:- - "irc.freenode.org#haskell-lens"- skip_join: true- template:- - "\x0313semigroupoids\x03/\x0306%{branch}\x03 \x0314%{commit}\x03 %{build_url} %{message}"+# REGENDATA ["-o",".travis.yml","--irc-channel=irc.freenode.org#haskell-lens","--no-no-tests-no-bench","--no-installed","cabal.project"]+# EOF
CHANGELOG.markdown view
@@ -1,3 +1,15 @@+5.2.2 [2018.01.18]+------------------+* Add `optional` to `Data.Functor.Alt` (analogous to the `optional` function+ in `Control.Applicative`)+* `liftF2` is now a class method of `Apply` (mirroring the fact that `liftA2`+ is now a class method of `Applicative`). `liftF2` and `(<.>)` have default+ definitions in terms of the other.+* Allow building with GHC 8.4+* `Apply` and `Bind` instances for `Q`, from the `template-haskell` package.+* Add instances for `(:~:)` and `(:~~:)` from `Data.Type.Equality`, and+ `Coercion` from `Data.Type.Coercion`+ 5.2.1 ----- * Add the `toNonEmpty` method to `Foldable1`. Add `foldrM1` and `foldlM1`
semigroupoids.cabal view
@@ -1,6 +1,6 @@ name: semigroupoids category: Control, Comonads-version: 5.2.1+version: 5.2.2 license: BSD3 cabal-version: >= 1.8 license-file: LICENSE@@ -10,7 +10,15 @@ homepage: http://github.com/ekmett/semigroupoids bug-reports: http://github.com/ekmett/semigroupoids/issues copyright: Copyright (C) 2011-2015 Edward A. Kmett-tested-with: GHC == 7.4.2, GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.1+tested-with: GHC == 7.0.4+ , GHC == 7.2.2+ , GHC == 7.4.2+ , GHC == 7.6.3+ , GHC == 7.8.4+ , GHC == 7.10.3+ , GHC == 8.0.2+ , GHC == 8.2.2+ , GHC == 8.4.1 build-type: Custom synopsis: Semigroupoids: Category sans id extra-source-files:@@ -132,13 +140,14 @@ base-orphans >= 0.5.4 && < 1, bifunctors >= 5 && < 6, semigroups >= 0.8.3.1 && < 1,+ template-haskell, transformers >= 0.2 && < 0.6, transformers-compat >= 0.5 && < 0.6 - if impl(ghc >= 7.0 && < 7.4)- build-depends: generic-deriving >= 1.11 && < 1.12+ if impl(ghc >= 7.0 && < 7.2)+ build-depends: generic-deriving >= 1.11 && < 1.13 - if impl(ghc >= 7.4 && < 7.6)+ if impl(ghc >= 7.2 && < 7.6) build-depends: ghc-prim if flag(containers)@@ -154,7 +163,7 @@ build-depends: comonad >= 4.2.6 && < 6 if flag(tagged)- build-depends: tagged >= 0.7.3 && < 1+ build-depends: tagged >= 0.8.5 && < 1 if flag(unordered-containers) build-depends: hashable >= 1.1 && < 1.3,@@ -198,5 +207,5 @@ else build-depends: base >= 4 && < 5,- doctest >= 0.11.1 && < 0.13,+ doctest >= 0.11.1 && < 0.14, semigroupoids
src/Data/Functor/Alt.hs view
@@ -24,10 +24,11 @@ ---------------------------------------------------------------------------- module Data.Functor.Alt ( Alt(..)+ , optional , module Data.Functor.Apply ) where -import Control.Applicative hiding (some, many)+import Control.Applicative hiding (some, many, optional) import Control.Applicative.Backwards import Control.Applicative.Lift import Control.Arrow@@ -50,8 +51,8 @@ import Data.Functor.Compose import Data.Functor.Product import Data.Functor.Reverse-import Data.Semigroup hiding (Product) import Data.List.NonEmpty (NonEmpty(..))+import Data.Semigroup (Option(..), Semigroup(..)) import Prelude (($),Either(..),Maybe(..),const,IO,Ord,(++),(.),either,seq,undefined) import Unsafe.Coerce @@ -61,6 +62,11 @@ import Data.Sequence (Seq) import qualified Data.Map as Map import Data.Map (Map)+# if MIN_VERSION_base(4,8,0)+import Prelude (mappend)+# else+import Data.Monoid (mappend)+# endif #endif #if defined(MIN_VERSION_tagged) || (MIN_VERSION_base(4,7,0))@@ -73,6 +79,7 @@ import GHC.Generics #endif + infixl 3 <!> -- | Laws:@@ -116,6 +123,10 @@ many v = many_v where many_v = some_v <!> pure [] some_v = (:) <$> v <*> many_v++-- | One or none.+optional :: (Alt f, Applicative f) => f a -> f (Maybe a)+optional v = Just <$> v <!> pure Nothing instance (Alt f, Alt g) => Alt (f :*: g) where (as :*: bs) <!> (cs :*: ds) = (as <!> cs) :*: (bs <!> ds)
src/Data/Functor/Apply.hs view
@@ -23,7 +23,6 @@ , Apply(..) , (<..>) -- :: Apply w => w a -> w (a -> b) -> w b- , liftF2 -- :: Apply w => (a -> b -> c) -> w a -> w b -> w c , liftF3 -- :: Apply w => (a -> b -> c -> d) -> w a -> w b -> w c -> w d -- * Wrappers@@ -41,10 +40,6 @@ (<..>) = liftF2 (flip id) {-# INLINE (<..>) #-} --- | Lift a binary function into a comonad with zipping-liftF2 :: Apply w => (a -> b -> c) -> w a -> w b -> w c-liftF2 f a b = f <$> a <.> b-{-# INLINE liftF2 #-} -- | Lift a ternary function into a comonad with zipping liftF3 :: Apply w => (a -> b -> c -> d) -> w a -> w b -> w c -> w d
src/Data/Functor/Bind.hs view
@@ -25,7 +25,6 @@ -- * Applyable functors , Apply(..) , (<..>) -- :: Apply w => w a -> w (a -> b) -> w b- , liftF2 -- :: Apply w => (a -> b -> c) -> w a -> w b -> w c , liftF3 -- :: Apply w => (a -> b -> c -> d) -> w a -> w b -> w c -> w d -- * Wrappers , WrappedApplicative(..)
src/Data/Functor/Bind/Class.hs view
@@ -80,6 +80,7 @@ import Data.Functor.Extend import Data.List.NonEmpty import Data.Orphans ()+import Language.Haskell.TH (Q) import Prelude hiding (id, (.)) #if MIN_VERSION_base(4,4,0)@@ -144,6 +145,7 @@ -- @ class Functor f => Apply f where (<.>) :: f (a -> b) -> f a -> f b+ (<.>) = liftF2 id -- | @ a '.>' b = 'const' 'id' '<$>' a '<.>' b @ (.>) :: f a -> f b -> f b@@ -153,6 +155,15 @@ (<.) :: f a -> f b -> f a a <. b = const <$> a <.> b + -- | Lift a binary function into a comonad with zipping+ liftF2 :: (a -> b -> c) -> f a -> f b -> f c+ liftF2 f a b = f <$> a <.> b+ {-# INLINE liftF2 #-}++#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 708+ {-# MINIMAL (<.>) | liftF2 #-}+#endif+ #ifdef MIN_VERSION_tagged instance Apply (Tagged a) where (<.>) = (<*>)@@ -269,6 +280,11 @@ (a :+ b) <.> (c :+ d) = a c :+ b d #endif +-- Applicative Q was only added in template-haskell 2.7 (GHC 7.4), so+-- define in terms of Monad instead.+instance Apply Q where+ (<.>) = ap+ #ifdef MIN_VERSION_containers -- | A Map is not 'Applicative', but it is an instance of 'Apply' instance Ord k => Apply (Map k) where@@ -495,6 +511,9 @@ (>>-) = (>>=) instance Bind Identity where+ (>>-) = (>>=)++instance Bind Q where (>>-) = (>>=) instance Bind m => Bind (IdentityT m) where
src/Data/Functor/Bind/Trans.hs view
@@ -31,7 +31,9 @@ import qualified Control.Monad.Trans.Writer.Strict as Strict import Data.Functor.Bind import Data.Orphans ()+#if !(MIN_VERSION_base(4,11,0)) import Data.Semigroup hiding (Product)+#endif import Prelude hiding (id, (.)) -- | A subset of monad transformers can transform any 'Bind' as well.
src/Data/Groupoid.hs view
@@ -1,5 +1,6 @@ {-# LANGUAGE CPP #-} {-# LANGUAGE FlexibleInstances #-}+{-# LANGUAGE GADTs #-} #if __GLASGOW_HASKELL__ >= 706 {-# LANGUAGE PolyKinds #-} #endif@@ -22,9 +23,27 @@ import Data.Semigroupoid import Data.Semigroupoid.Dual +#if MIN_VERSION_base(4,7,0)+import qualified Data.Type.Coercion as Co+import qualified Data.Type.Equality as Eq+#endif+ -- | semigroupoid with inverses. This technically should be a category with inverses, except we need to use Ob to define the valid objects for the category class Semigroupoid k => Groupoid k where inv :: k a b -> k b a instance Groupoid k => Groupoid (Dual k) where inv (Dual k) = Dual (inv k)++#if MIN_VERSION_base(4,7,0)+instance Groupoid Co.Coercion where+ inv = Co.sym++instance Groupoid (Eq.:~:) where+ inv = Eq.sym+#endif++#if MIN_VERSION_base(4,10,0)+instance Groupoid (Eq.:~~:) where+ inv Eq.HRefl = Eq.HRefl+#endif
src/Data/Semigroup/Bitraversable.hs view
@@ -15,7 +15,9 @@ ) where import Control.Applicative+#if !(MIN_VERSION_base(4,11,0)) import Data.Semigroup+#endif import Data.Semigroup.Traversable.Class bifoldMap1Default :: (Bitraversable1 t, Semigroup m) => (a -> m) -> (b -> m) -> t a b -> m
src/Data/Semigroup/Traversable.hs view
@@ -1,3 +1,4 @@+{-# LANGUAGE CPP #-} ----------------------------------------------------------------------------- -- | -- Copyright : (C) 2011-2015 Edward Kmett@@ -14,7 +15,9 @@ ) where import Control.Applicative+#if !(MIN_VERSION_base(4,11,0)) import Data.Semigroup+#endif import Data.Semigroup.Traversable.Class foldMap1Default :: (Traversable1 f, Semigroup m) => (a -> m) -> f a -> m
src/Data/Semigroupoid.hs view
@@ -1,4 +1,5 @@ {-# LANGUAGE CPP #-}+{-# LANGUAGE GADTs #-} #if __GLASGOW_HASKELL__ >= 706 {-# LANGUAGE PolyKinds #-}@@ -47,6 +48,11 @@ import Data.Tagged (Tagged (..)) #endif +#if MIN_VERSION_base(4,7,0)+import qualified Data.Type.Coercion as Co+import qualified Data.Type.Equality as Eq+#endif+ -- | 'Control.Category.Category' sans 'Control.Category.id' class Semigroupoid c where o :: c j k -> c i j -> c i k@@ -95,4 +101,17 @@ #ifdef MIN_VERSION_tagged instance Semigroupoid Tagged where Tagged b `o` _ = Tagged b+#endif++#if MIN_VERSION_base(4,7,0)+instance Semigroupoid Co.Coercion where+ o = flip Co.trans++instance Semigroupoid (Eq.:~:) where+ o = flip Eq.trans+#endif++#if MIN_VERSION_base(4,10,0)+instance Semigroupoid (Eq.:~~:) where+ o Eq.HRefl Eq.HRefl = Eq.HRefl #endif