Können Sie ein Tupel in Haskell teilweise definieren?
-- as an application of partial application of tuples, refer to the ((,) True)
-- the funciton type signature is ((,) True) :: b -> (Bool, b) and hence is a
-- valid use in map for example:
map ((,) True) [1,2,3] => [(True,1),(True,2),(True,3)]
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