[Haskell-cafe] TChan implementation: Why TVarList

[Joel Reymont]

Simon,

Why did you guys implement TChan on top of your own TVarList instead  
of a regular list?

-- | 'TChan' is an abstract type representing an unbounded FIFO channel.
data TChan a = TChan (TVar (TVarList a)) (TVar (TVarList a))

type TVarList a = TVar (TList a)
data TList a = TNil | TCons a (TVarList a)

	Thanks, Joel

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