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  1. pattern (:<) :: Cons s s a a => a -> s -> s

    optics-core Optics.Cons.Core

    Pattern synonym for matching on the leftmost element of a structure. 

    >>> case ['a','b','c'] of (x :< _) -> x
'a'

  2. pattern (:>) :: Snoc s s a a => s -> a -> s

    optics-core Optics.Cons.Core

    Pattern synonym for matching on the rightmost element of a structure. 

    >>> case ['a','b','c'] of (_ :> x) -> x
'c'

  3. (:&:) :: Selector -> Selector -> Selector

    markdown-unlit Text.Markdown.Unlit

    No documentation available.

  4. (:|:) :: Selector -> Selector -> Selector

    markdown-unlit Text.Markdown.Unlit

    No documentation available.

  5. data h :. t

    postgresql-simple Database.PostgreSQL.Simple

    A composite type to parse your custom data structures without having to define dummy newtype wrappers every time. 

    instance FromRow MyData where ...

    instance FromRow MyData2 where ...
    then I can do the following for free: 
    res <- query' c "..."
forM res $ \(MyData{..} :. MyData2{..}) -> do
....

  6. (:.) :: h -> t -> (:.) h t

    postgresql-simple Database.PostgreSQL.Simple

    No documentation available.

  7. data h :. t

    postgresql-simple Database.PostgreSQL.Simple.Types

    A composite type to parse your custom data structures without having to define dummy newtype wrappers every time. 

    instance FromRow MyData where ...

    instance FromRow MyData2 where ...
    then I can do the following for free: 
    res <- query' c "..."
forM res $ \(MyData{..} :. MyData2{..}) -> do
....

  8. (:.) :: h -> t -> (:.) h t

    postgresql-simple Database.PostgreSQL.Simple.Types

    No documentation available.

  9. (:!:) :: a -> b -> Pair a b

    strict Data.Strict.Tuple

    No documentation available.

  10. type (:!:) = Pair

    strict Data.Strict.Tuple

    No documentation available.

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