shithub: MicroHs

ref: c914f9616cfc478242462004ba5eb1af416e8d62
dir: /lib/Foreign/Ptr.hs/

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module Foreign.Ptr(Ptr, nullPtr) where
import Primitives
import Data.Word
import Data.Eq
import Data.Function
import Text.Show

instance forall a . Eq (Ptr a) where
  p == q  =  primPtrToWord p == primPtrToWord q

instance forall a . Show (Ptr a) where
  showsPrec _ p = showString "PTR#" . showsPrec 0 (primPtrToWord p)

nullPtr :: forall a . Ptr a
nullPtr = primWordToPtr 0