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-- This is the interface to the primitives used to implement arbitrary
-- sized tuples.
interface PreludeTuplePrims where
{-# Prelude #-}
-- The type checker fiddles around with the call to dictSel to use the
-- dictionary to resolve the overloading of a subexpression. The call
-- dictSel (exp dict i) will typecheck exp and use the ith component of
-- the tupleDict dict to resolve the overloading. No check is made to ensure
-- that the type of the dictionary matches the overloaded class! Beware!
import PreludeData(Int)
data Tuple
data TupleDicts
tupleSize :: TupleDicts -> Int
tupleSel :: Tuple -> Int -> Int -> a
dictSel :: TupleDicts -> Int -> a
listToTuple :: [a] -> Tuple
-- These are not called by haskell code directly; these are introduced
-- during dictionary conversion by the type checker.
tupleEqDict :: a
tupleOrdDict :: a
tupleIxDict :: a
tupleTextDict :: a
tupleBinaryDict :: a
{-#
tupleSize :: LispName("prim.tupleSize"), Complexity(1)
tupleSel :: LispName("prim.tupleSel")
dictSel :: LispName("prim.dict-sel")
listToTuple :: LispName("prim.list->tuple"), NoConversion
tupleEqDict :: LispName("prim.tupleEqDict")
tupleOrdDict :: LispName("prim.tupleOrdDict")
tupleIxDict :: LispName("prim.tupleIxDict")
tupleTextDict :: LispName("prim.tupleTextDict")
tupleBinaryDict :: LispName("prim.tupleBinaryDict")
#-}
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