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Within LTS Haskell 24.17 (ghc-9.10.3)

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  1. data (a :: Nat) :=:# (b :: Nat)

    natural-arithmetic Arithmetic.Types

    No documentation available.

  2. data (a :: Nat) :=: (b :: Nat)

    natural-arithmetic Arithmetic.Unsafe

    Proof that the first argument is equal to the second argument.

  3. newtype (a :: Nat) :=:# (b :: Nat)

    natural-arithmetic Arithmetic.Unsafe

    No documentation available.

  4. pattern (:<) :: Ord a => a -> MinQueue a -> MinQueue a

    pqueue Data.PQueue.Min

    A bidirectional pattern synonym for working with the minimum view of a MinQueue. Using :< to construct a queue performs an insertion in <math> amortized time. When matching on a :< q, forcing q takes <math> time.

  5. pattern (:<) :: Ord k => (k, a) -> MinPQueue k a -> MinPQueue k a

    pqueue Data.PQueue.Prio.Min

    A bidirectional pattern synonym for working with the minimum view of a MinPQueue. Using :< to construct a queue performs an insertion in <math> amortized time. When matching on (k, a) :< q, forcing q takes <math> time.

  6. data h :. t

    sqlite-simple Database.SQLite.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
    ....
    

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

    sqlite-simple Database.SQLite.Simple

    No documentation available.

  8. (:=) :: forall v . ToField v => Text -> v -> NamedParam

    sqlite-simple Database.SQLite.Simple

    No documentation available.

  9. data h :. t

    sqlite-simple Database.SQLite.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
    ....
    

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

    sqlite-simple Database.SQLite.Simple.Types

    No documentation available.

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