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Merge pull request #12 from reflex-frp/add-WithIndex-instances
da266c5John Ericson
ChangeLog.md+12
@@ -1,5 +1,17 @@
1# Revision history for patch
1# Revision history for patch
2
2
3+## Unreleased
4+
5+* Consistently provide:
6+
7+ - `Wrapped` instances
8+
9+ - `*WithIndex` instances
10+
11+ - `un*` newtype unwrappers
12+
13+ for `PatchMap`, `PatchIntMap`, and `PatchMapWithMove`.
14+
3## 0.0.1.0
15## 0.0.1.0
4
16
5* Support older GHCs with `split-these` flag.
17* Support older GHCs with `split-these` flag.
dep/reflex-platform/default.nix+7−6
@@ -1,7 +1,8 @@
1# DO NOT HAND-EDIT THIS FILE
1# DO NOT HAND-EDIT THIS FILE
2+let fetch = { private ? false, fetchSubmodules ? false, owner, repo, rev, sha256, ... }:
3+ if !fetchSubmodules && !private then builtins.fetchTarball {
4+ url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz"; inherit sha256;
2−import ((import <nixpkgs> {}).fetchFromGitHub (
5+ } else (import <nixpkgs> {}).fetchFromGitHub {
6+ inherit owner repo rev sha256 fetchSubmodules private;
7+ };
3− let json = builtins.fromJSON (builtins.readFile ./github.json);
8+in import (fetch (builtins.fromJSON (builtins.readFile ./github.json)))
4− in { inherit (json) owner repo rev sha256;
5− private = json.private or false;
6− }
7−))
dep/reflex-platform/github.json+3−2
@@ -2,6 +2,7 @@
2 "owner": "reflex-frp",
2 "owner": "reflex-frp",
3 "repo": "reflex-platform",
3 "repo": "reflex-platform",
4 "branch": "master",
4 "branch": "master",
5− "rev": "510b990d0b11f0626afbec5fe8575b5b2395391b",
5+ "private": false,
6− "sha256": "09cmahsbxr0963wq171c7j139iyzz49hramr4v9nsf684wcwkngv"
6+ "rev": "c9d11db1b98855fe8ab24a3ff6a5dbe0ad902ad9",
7+ "sha256": "0sfzkqdvyah5mwvmli0wq1nl0b8cvk2cmfgfy4rz57wv42x3099y"
7}
8}
patch.cabal+1
@@ -35,6 +35,7 @@ library
35 , containers >= 0.6 && < 0.7
35 , containers >= 0.6 && < 0.7
36 , dependent-map >= 0.3 && < 0.4
36 , dependent-map >= 0.3 && < 0.4
37 , dependent-sum >= 0.6 && < 0.7
37 , dependent-sum >= 0.6 && < 0.7
38+ , lens >= 4.7 && < 5
38 , semigroupoids >= 4.0 && < 6
39 , semigroupoids >= 4.0 && < 6
39 , transformers >= 0.5.6.0 && < 0.6
40 , transformers >= 0.5.6.0 && < 0.6
40 , witherable >= 0.3 && < 0.3.2
41 , witherable >= 0.3 && < 0.3.2
release.nix+20−10
@@ -18,16 +18,26 @@ let
18 "ghcIosAarch64"
18 "ghcIosAarch64"
19 ];
19 ];
20 compilerPkgs = lib.genAttrs compilers (ghc: let
20 compilerPkgs = lib.genAttrs compilers (ghc: let
21+ reflex-platform = reflex-platform-fun {
22+ inherit system;
23+ haskellOverlays = [
24+ # Use this package's source for reflex
25+ (self: super: {
26+ _dep = super._dep // {
21− src = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
27+ patch = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
22− "release.nix"
28+ "release.nix"
23− ".git"
29+ ".git"
24− "dist"
30+ "dist"
25− "dist-newstyle"
31+ "dist-newstyle"
26− "cabal.haskell-ci"
32+ "cabal.haskell-ci"
27− "cabal.project"
33+ "cabal.project"
28− ".travis.yml"
34+ ".travis.yml"
29− ])) ./.;
35+ ])) ./.;
36+ };
37+ })
38+ ];
39+ };
30− in reflex-platform.${ghc}.callCabal2nix "patch" src {});
40+ in reflex-platform.${ghc}.patch);
31 in compilerPkgs // {
41 in compilerPkgs // {
32 cache = reflex-platform.pinBuildInputs "patch-${system}"
42 cache = reflex-platform.pinBuildInputs "patch-${system}"
33 (builtins.attrValues compilerPkgs);
43 (builtins.attrValues compilerPkgs);
src/Data/Patch/IntMap.hs+23−10
@@ -1,12 +1,15 @@
1−{-# LANGUAGE DeriveFoldable #-}
2−{-# LANGUAGE DeriveFunctor #-}
3{-# LANGUAGE DeriveTraversable #-}
1{-# LANGUAGE DeriveTraversable #-}
2+{-# LANGUAGE FlexibleInstances #-}
4{-# LANGUAGE GeneralizedNewtypeDeriving #-}
3{-# LANGUAGE GeneralizedNewtypeDeriving #-}
4+{-# LANGUAGE MultiParamTypeClasses #-}
5+{-# LANGUAGE TemplateHaskell #-}
5{-# LANGUAGE TypeFamilies #-}
6{-# LANGUAGE TypeFamilies #-}
7+
6-- | Module containing 'PatchIntMap', a 'Patch' for 'IntMap' which allows for
8-- | Module containing 'PatchIntMap', a 'Patch' for 'IntMap' which allows for
7-- insert/update or delete of associations.
9-- insert/update or delete of associations.
8module Data.Patch.IntMap where
10module Data.Patch.IntMap where
9
11
12+import Control.Lens
10import Data.IntMap.Strict (IntMap)
13import Data.IntMap.Strict (IntMap)
11import qualified Data.IntMap.Strict as IntMap
14import qualified Data.IntMap.Strict as IntMap
12import Data.Maybe
15import Data.Maybe
@@ -16,7 +19,20 @@ import Data.Patch.Class
16-- | 'Patch' for 'IntMap' which represents insertion or deletion of keys in the mapping.
19-- | 'Patch' for 'IntMap' which represents insertion or deletion of keys in the mapping.
17-- Internally represented by 'IntMap (Maybe a)', where @Just@ means insert/update
20-- Internally represented by 'IntMap (Maybe a)', where @Just@ means insert/update
18-- and @Nothing@ means delete.
21-- and @Nothing@ means delete.
19−newtype PatchIntMap a = PatchIntMap (IntMap (Maybe a)) deriving (Functor, Foldable, Traversable, Monoid)
22+newtype PatchIntMap a = PatchIntMap { unPatchIntMap :: IntMap (Maybe a) }
23+ deriving ( Show, Read, Eq, Ord
24+ , Functor, Foldable, Traversable, Monoid
25+ )
26+
27+-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
28+-- If the same key is modified by both patches, the one on the left will take
29+-- precedence.
30+instance Semigroup (PatchIntMap v) where
31+ PatchIntMap a <> PatchIntMap b = PatchIntMap $ a `mappend` b --TODO: Add a semigroup instance for Map
32+ -- PatchMap is idempotent, so stimes n is id for every n
33+ stimes = stimesIdempotentMonoid
34+
35+makeWrapped ''PatchIntMap
20
36
21-- | Apply the insertions or deletions to a given 'IntMap'.
37-- | Apply the insertions or deletions to a given 'IntMap'.
22instance Patch (PatchIntMap a) where
38instance Patch (PatchIntMap a) where
@@ -26,13 +42,10 @@ instance Patch (PatchIntMap a) where
26 adds = IntMap.mapMaybe id p
42 adds = IntMap.mapMaybe id p
27 in IntMap.union adds $ v `IntMap.difference` removes
43 in IntMap.union adds $ v `IntMap.difference` removes
28
44
29−-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
45+instance FunctorWithIndex Int PatchIntMap
30−-- If the same key is modified by both patches, the one on the left will take
46+instance FoldableWithIndex Int PatchIntMap
31−-- precedence.
47+instance TraversableWithIndex Int PatchIntMap where
32−instance Semigroup (PatchIntMap v) where
48+ itraversed = _Wrapped . itraversed . traversed
33− PatchIntMap a <> PatchIntMap b = PatchIntMap $ a `mappend` b --TODO: Add a semigroup instance for Map
34− -- PatchMap is idempotent, so stimes n is id for every n
35− stimes = stimesIdempotentMonoid
36
49
37-- | Map a function @Int -> a -> b@ over all @a@s in the given @'PatchIntMap' a@
50-- | Map a function @Int -> a -> b@ over all @a@s in the given @'PatchIntMap' a@
38-- (that is, all inserts/updates), producing a @PatchIntMap b@.
51-- (that is, all inserts/updates), producing a @PatchIntMap b@.
src/Data/Patch/Map.hs+28−13
@@ -1,11 +1,18 @@
1+{-# LANGUAGE DeriveTraversable #-}
2+{-# LANGUAGE FlexibleInstances #-}
1{-# LANGUAGE LambdaCase #-}
3{-# LANGUAGE LambdaCase #-}
4+{-# LANGUAGE MultiParamTypeClasses #-}
5+{-# LANGUAGE StandaloneDeriving #-}
6+{-# LANGUAGE TemplateHaskell #-}
2{-# LANGUAGE TypeFamilies #-}
7{-# LANGUAGE TypeFamilies #-}
8+
3-- | 'Patch'es on 'Map' that consist only of insertions (including overwrites)
9-- | 'Patch'es on 'Map' that consist only of insertions (including overwrites)
4-- and deletions
10-- and deletions
5module Data.Patch.Map where
11module Data.Patch.Map where
6
12
7import Data.Patch.Class
13import Data.Patch.Class
8
14
15+import Control.Lens
9import Data.Map (Map)
16import Data.Map (Map)
10import qualified Data.Map as Map
17import qualified Data.Map as Map
11import Data.Maybe
18import Data.Maybe
@@ -15,7 +22,23 @@ import Data.Semigroup
15-- deleted. Insertions are represented as values wrapped in 'Just', while
22-- deleted. Insertions are represented as values wrapped in 'Just', while
16-- deletions are represented as 'Nothing's
23-- deletions are represented as 'Nothing's
17newtype PatchMap k v = PatchMap { unPatchMap :: Map k (Maybe v) }
24newtype PatchMap k v = PatchMap { unPatchMap :: Map k (Maybe v) }
18− deriving (Show, Read, Eq, Ord)
25+ deriving ( Show, Read, Eq, Ord
26+ , Foldable, Traversable
27+ )
28+
29+-- | 'fmap'ping a 'PatchMap' will alter all of the values it will insert.
30+-- Deletions are unaffected.
31+deriving instance Functor (PatchMap k)
32+
33+-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
34+-- If the same key is modified by both patches, the one on the left will take
35+-- precedence.
36+instance Ord k => Semigroup (PatchMap k v) where
37+ PatchMap a <> PatchMap b = PatchMap $ a `mappend` b --TODO: Add a semigroup instance for Map
38+ -- PatchMap is idempotent, so stimes n is id for every n
39+ stimes = stimesIdempotentMonoid
40+
41+makeWrapped ''PatchMap
19
42
20-- | Apply the insertions or deletions to a given 'Map'.
43-- | Apply the insertions or deletions to a given 'Map'.
21instance Ord k => Patch (PatchMap k v) where
44instance Ord k => Patch (PatchMap k v) where
@@ -28,24 +51,16 @@ instance Ord k => Patch (PatchMap k v) where
28 Nothing -> Just ()
51 Nothing -> Just ()
29 Just _ -> Nothing
52 Just _ -> Nothing
30
53
31−-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
54+instance FunctorWithIndex k (PatchMap k)
32−-- If the same key is modified by both patches, the one on the left will take
55+instance FoldableWithIndex k (PatchMap k)
33−-- precedence.
34−instance Ord k => Semigroup (PatchMap k v) where
56+instance TraversableWithIndex k (PatchMap k) where
35− PatchMap a <> PatchMap b = PatchMap $ a `mappend` b --TODO: Add a semigroup instance for Map
57+ itraverse f (PatchMap x) = PatchMap <$> itraverse (traverse . f) x
36− -- PatchMap is idempotent, so stimes n is id for every n
37− stimes = stimesIdempotentMonoid
38
58
39-- | The empty 'PatchMap' contains no insertions or deletions
59-- | The empty 'PatchMap' contains no insertions or deletions
40instance Ord k => Monoid (PatchMap k v) where
60instance Ord k => Monoid (PatchMap k v) where
41 mempty = PatchMap mempty
61 mempty = PatchMap mempty
42 mappend = (<>)
62 mappend = (<>)
43
63
44−-- | 'fmap'ping a 'PatchMap' will alter all of the values it will insert.
45−-- Deletions are unaffected.
46−instance Functor (PatchMap k) where
47− fmap f = PatchMap . fmap (fmap f) . unPatchMap
48−
49-- | Returns all the new elements that will be added to the 'Map'
64-- | Returns all the new elements that will be added to the 'Map'
50patchMapNewElements :: PatchMap k v -> [v]
65patchMapNewElements :: PatchMap k v -> [v]
51patchMapNewElements (PatchMap p) = catMaybes $ Map.elems p
66patchMapNewElements (PatchMap p) = catMaybes $ Map.elems p
src/Data/Patch/MapWithMove.hs+20−7
@@ -1,11 +1,14 @@
1−{-# LANGUAGE DeriveFoldable #-}
2−{-# LANGUAGE DeriveFunctor #-}
3{-# LANGUAGE DeriveTraversable #-}
1{-# LANGUAGE DeriveTraversable #-}
4{-# LANGUAGE FlexibleContexts #-}
2{-# LANGUAGE FlexibleContexts #-}
3+{-# LANGUAGE FlexibleInstances #-}
5{-# LANGUAGE LambdaCase #-}
4{-# LANGUAGE LambdaCase #-}
5+{-# LANGUAGE MultiParamTypeClasses #-}
6{-# LANGUAGE PatternGuards #-}
6{-# LANGUAGE PatternGuards #-}
7{-# LANGUAGE ScopedTypeVariables #-}
7{-# LANGUAGE ScopedTypeVariables #-}
8+{-# LANGUAGE TemplateHaskell #-}
9+{-# LANGUAGE TypeApplications #-}
8{-# LANGUAGE TypeFamilies #-}
10{-# LANGUAGE TypeFamilies #-}
11+
9-- | 'Patch'es on 'Map' that can insert, delete, and move values from one key to
12-- | 'Patch'es on 'Map' that can insert, delete, and move values from one key to
10-- another
13-- another
11module Data.Patch.MapWithMove where
14module Data.Patch.MapWithMove where
@@ -13,6 +16,7 @@ module Data.Patch.MapWithMove where
13import Data.Patch.Class
16import Data.Patch.Class
14
17
15import Control.Arrow
18import Control.Arrow
19+import Control.Lens hiding (from, to)
16import Control.Monad.Trans.State
20import Control.Monad.Trans.State
17import Data.Foldable
21import Data.Foldable
18import Data.Function
22import Data.Function
@@ -28,7 +32,13 @@ import Data.Tuple
28-- | Patch a Map with additions, deletions, and moves. Invariant: If key @k1@
32-- | Patch a Map with additions, deletions, and moves. Invariant: If key @k1@
29-- is coming from @From_Move k2@, then key @k2@ should be going to @Just k1@,
33-- is coming from @From_Move k2@, then key @k2@ should be going to @Just k1@,
30-- and vice versa. There should never be any unpaired From/To keys.
34-- and vice versa. There should never be any unpaired From/To keys.
31−newtype PatchMapWithMove k v = PatchMapWithMove (Map k (NodeInfo k v)) deriving (Show, Eq, Ord, Functor, Foldable, Traversable)
35+newtype PatchMapWithMove k v = PatchMapWithMove
36+ { -- | Extract the internal representation of the 'PatchMapWithMove'
37+ unPatchMapWithMove :: Map k (NodeInfo k v)
38+ }
39+ deriving ( Show, Read, Eq, Ord
40+ , Functor, Foldable, Traversable
41+ )
32
42
33-- | Holds the information about each key: where its new value should come from,
43-- | Holds the information about each key: where its new value should come from,
34-- and where its old value should go to
44-- and where its old value should go to
@@ -53,6 +63,13 @@ data From k v
53-- that means it will be deleted.
63-- that means it will be deleted.
54type To = Maybe
64type To = Maybe
55
65
66+makeWrapped ''PatchMapWithMove
67+
68+instance FunctorWithIndex k (PatchMapWithMove k)
69+instance FoldableWithIndex k (PatchMapWithMove k)
70+instance TraversableWithIndex k (PatchMapWithMove k) where
71+ itraverse f (PatchMapWithMove x) = PatchMapWithMove <$> itraverse (traverse . f) x
72+
56-- | Create a 'PatchMapWithMove', validating it
73-- | Create a 'PatchMapWithMove', validating it
57patchMapWithMove :: Ord k => Map k (NodeInfo k v) -> Maybe (PatchMapWithMove k v)
74patchMapWithMove :: Ord k => Map k (NodeInfo k v) -> Maybe (PatchMapWithMove k v)
58patchMapWithMove m = if valid then Just $ PatchMapWithMove m else Nothing
75patchMapWithMove m = if valid then Just $ PatchMapWithMove m else Nothing
@@ -70,10 +87,6 @@ patchMapWithMoveInsertAll m = PatchMapWithMove $ flip fmap m $ \v -> NodeInfo
70 , _nodeInfo_to = Nothing
87 , _nodeInfo_to = Nothing
71 }
88 }
72
89
73−-- | Extract the internal representation of the 'PatchMapWithMove'
74−unPatchMapWithMove :: PatchMapWithMove k v -> Map k (NodeInfo k v)
75−unPatchMapWithMove (PatchMapWithMove p) = p
76−
77-- | Make a @'PatchMapWithMove' k v@ which has the effect of inserting or updating a value @v@ to the given key @k@, like 'Map.insert'.
90-- | Make a @'PatchMapWithMove' k v@ which has the effect of inserting or updating a value @v@ to the given key @k@, like 'Map.insert'.
78insertMapKey :: k -> v -> PatchMapWithMove k v
91insertMapKey :: k -> v -> PatchMapWithMove k v
79insertMapKey k v = PatchMapWithMove . Map.singleton k $ NodeInfo (From_Insert v) Nothing
92insertMapKey k v = PatchMapWithMove . Map.singleton k $ NodeInfo (From_Insert v) Nothing