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how to list all methods of a class or type in haskell

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  how to list all methods of a class or type in haskell jobmattcon@gmail.com - 2014-04-25 07:24 -0700
    Re: how to list all methods of a class or type in haskell Mark Carroll <mtbc@bcs.org> - 2014-04-25 15:38 +0100

#287 — how to list all methods of a class or type in haskell

how to list all methods of a class or type in haskell

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#288

jobmattcon@gmail.com writes:

> how to list all methods of a class or type in haskell

I don't know if this helps:

$ ghci
GHCi, version 7.4.1: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :info Double
data Double = GHC.Types.D# GHC.Prim.Double#
     -- Defined in `GHC.Types'
instance Enum Double -- Defined in `GHC.Float'
instance Eq Double -- Defined in `GHC.Classes'
instance Floating Double -- Defined in `GHC.Float'
instance Fractional Double -- Defined in `GHC.Float'
instance Num Double -- Defined in `GHC.Float'
instance Ord Double -- Defined in `GHC.Classes'
instance Read Double -- Defined in `GHC.Read'
instance Real Double -- Defined in `GHC.Float'
instance RealFloat Double -- Defined in `GHC.Float'
instance RealFrac Double -- Defined in `GHC.Float'
instance Show Double -- Defined in `GHC.Float'
Prelude> :info RealFrac
class (Real a, Fractional a) => RealFrac a where
  properFraction :: Integral b => a -> (b, a)
  truncate :: Integral b => a -> b
  round :: Integral b => a -> b
  ceiling :: Integral b => a -> b
  floor :: Integral b => a -> b
        -- Defined in `GHC.Real'
instance RealFrac Float -- Defined in `GHC.Float'
instance RealFrac Double -- Defined in `GHC.Float'
Prelude> 

Remember that Haskell isn't object-orientated. (-:

-- Mark

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