refactor(users/glittershark): Rename to grfn r/2485

Rename my //users directory and all places that refer to glittershark to
grfn, including nix references and documentation.

This may require some extra attention inside of gerrit's database after
it lands to allow me to actually push things.

Change-Id: I4728b7ec2c60024392c1c1fa6e0d4a59b3e266fa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2933
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: glittershark <grfn@gws.fyi>

1 files changed, 100 insertions, 0 deletions

diff --git a/users/grfn/xanthous/src/Xanthous/Data/VectorBag.hs b/users/grfn/xanthous/src/Xanthous/Data/VectorBag.hs
new file mode 100644
index 0000000000..2e6d48062a
--- /dev/null
+++ b/users/grfn/xanthous/src/Xanthous/Data/VectorBag.hs
@@ -0,0 +1,100 @@
+{-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE StandaloneDeriving #-}
+{-# LANGUAGE DeriveTraversable #-}
+{-# LANGUAGE TemplateHaskell #-}
+--------------------------------------------------------------------------------
+module Xanthous.Data.VectorBag
+  (VectorBag(..)
+  ) where
+--------------------------------------------------------------------------------
+import           Xanthous.Prelude
+import           Data.Aeson
+import qualified Data.Vector as V
+import           Test.QuickCheck
+import           Test.QuickCheck.Instances.Vector ()
+--------------------------------------------------------------------------------
+
+-- | Acts exactly like a Vector, except ignores order when testing for equality
+newtype VectorBag a = VectorBag (Vector a)
+  deriving stock
+    ( Traversable
+    , Generic
+    )
+  deriving newtype
+    ( Show
+    , Read
+    , Foldable
+    , FromJSON
+    , FromJSON1
+    , ToJSON
+    , Reversing
+    , Applicative
+    , Functor
+    , Monad
+    , Monoid
+    , Semigroup
+    , Arbitrary
+    , CoArbitrary
+    , Filterable
+    )
+makeWrapped ''VectorBag
+
+instance Function a => Function (VectorBag a) where
+  function = functionMap (\(VectorBag v) -> v) VectorBag
+
+type instance Element (VectorBag a) = a
+deriving via (Vector a) instance MonoFoldable (VectorBag a)
+deriving via (Vector a) instance GrowingAppend (VectorBag a)
+deriving via (Vector a) instance SemiSequence (VectorBag a)
+deriving via (Vector a) instance MonoPointed (VectorBag a)
+deriving via (Vector a) instance MonoFunctor (VectorBag a)
+
+instance Cons (VectorBag a) (VectorBag b) a b where
+  _Cons = prism (\(x, VectorBag xs) -> VectorBag $ x <| xs) $ \(VectorBag v) ->
+    if V.null v
+    then Left (VectorBag mempty)
+    else Right (V.unsafeHead v, VectorBag $ V.unsafeTail v)
+
+instance AsEmpty (VectorBag a) where
+  _Empty = prism' (const $ VectorBag Empty) $ \case
+    (VectorBag Empty) -> Just ()
+    _ -> Nothing
+
+instance Witherable VectorBag where
+  wither f (VectorBag v) = VectorBag <$> wither f v
+  witherM f (VectorBag v) = VectorBag <$> witherM f v
+  filterA p (VectorBag v) = VectorBag <$> filterA p v
+
+{-
+    TODO:
+    , Ixed
+    , FoldableWithIndex
+    , FunctorWithIndex
+    , TraversableWithIndex
+    , Snoc
+    , Each
+-}
+
+instance Ord a => Eq (VectorBag a) where
+  (==) = (==) `on` (view _Wrapped . sort)
+
+instance Ord a => Ord (VectorBag a) where
+  compare = compare  `on` (view _Wrapped . sort)
+
+instance MonoTraversable (VectorBag a) where
+  otraverse f (VectorBag v) = VectorBag <$> otraverse f v
+
+instance IsSequence (VectorBag a) where
+  fromList = VectorBag . fromList
+  break prd (VectorBag v) = bimap VectorBag VectorBag $ break prd v
+  span prd (VectorBag v) = bimap VectorBag VectorBag $ span prd v
+  dropWhile prd (VectorBag v) = VectorBag $ dropWhile prd v
+  takeWhile prd (VectorBag v) = VectorBag $ takeWhile prd v
+  splitAt idx (VectorBag v) = bimap VectorBag VectorBag $ splitAt idx v
+  unsafeSplitAt idx (VectorBag v) =
+    bimap VectorBag VectorBag $ unsafeSplitAt idx v
+  take n (VectorBag v) = VectorBag $ take n v
+  unsafeTake n (VectorBag v) = VectorBag $ unsafeTake n v
+  drop n (VectorBag v) = VectorBag $ drop n v
+  unsafeDrop n (VectorBag v) = VectorBag $ unsafeDrop n v
+  partition p (VectorBag v) = bimap VectorBag VectorBag $ partition p v