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FunctorWithIndex for Kleisli #18

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FunctorWithIndex for Kleisli #18

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8d72a78
Added instance of FunctorWithIndex for Kleisli
jcranch Jan 6, 2022
fff4ee3
New CI script
Feb 20, 2022
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10 changes: 8 additions & 2 deletions .github/workflows/haskell-ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,9 @@
#
# For more information, see https://github.com/haskell-CI/haskell-ci
#
# version: 0.13.20211030
# version: 0.14.2
#
# REGENDATA ("0.13.20211030",["--config=cabal.haskell-ci","github","cabal.project"])
# REGENDATA ("0.14.2",["--config=cabal.haskell-ci","github","cabal.project"])
#
name: Haskell-CI
on:
Expand All @@ -24,6 +24,8 @@ jobs:
linux:
name: Haskell-CI - Linux - ${{ matrix.compiler }}
runs-on: ubuntu-18.04
timeout-minutes:
60
container:
image: buildpack-deps:bionic
continue-on-error: ${{ matrix.allow-failure }}
Expand Down Expand Up @@ -179,6 +181,10 @@ jobs:
repository hackage.haskell.org
url: http://hackage.haskell.org/
EOF
cat >> $CABAL_CONFIG <<EOF
program-default-options
ghc-options: $GHCJOBS +RTS -M3G -RTS
EOF
cat $CABAL_CONFIG
- name: versions
run: |
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2 changes: 1 addition & 1 deletion haskell-ci.sh
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/bin/bash
# shellcheck disable=SC2086,SC2016,SC2046
# REGENDATA ("0.13.20211030",["bash","cabal.project"])
# REGENDATA ("0.14.2",["bash","cabal.project"])

set -o pipefail

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7 changes: 6 additions & 1 deletion indexed-traversable/src/WithIndex.hs
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Expand Up @@ -24,6 +24,7 @@ import Prelude
import Control.Applicative
(Applicative (..), Const (..), ZipList (..), (<$>), liftA2)
import Control.Applicative.Backwards (Backwards (..))
import Control.Arrow (Kleisli (..))
import Control.Monad.Trans.Identity (IdentityT (..))
import Control.Monad.Trans.Reader (ReaderT (..))
import Data.Array (Array)
Expand Down Expand Up @@ -280,6 +281,10 @@ instance TraversableWithIndex Int ZipList where
itraverse f (ZipList xs) = ZipList <$> itraverse f xs
{-# INLINE itraverse #-}

instance Functor m => FunctorWithIndex a (Kleisli m a) where
imap f (Kleisli p) = Kleisli (\x -> f x <$> p x)
{-# INLINE imap #-}

-------------------------------------------------------------------------------
-- (former) semigroups
-------------------------------------------------------------------------------
Expand All @@ -296,7 +301,7 @@ instance TraversableWithIndex Int NonEmpty where
{-# INLINE itraverse #-}

-------------------------------------------------------------------------------
-- Functors (formely) from transformers
-- Functors (formerly) from transformers
-------------------------------------------------------------------------------

instance FunctorWithIndex () Identity where
Expand Down