有没有办法先在Haddock中描述函数参数?

sig*_*ami 11 haskell haddock

典型的Haddock语法允许写这样的东西

-- Initializes local variables so arrays will get defined
--
-- Defer initialization context inside a compound type.
-- 
initialize :: Bool      -- ^ 1st parameter description  
           -> Type      -- ^ 2nd parameter description
           -> [Signal]  -- ^ 3rd parameter description
           -> Structure -- ^ 4th parameter description
           -> Doc       -- ^ result value desription
initialize _ (MachineVector 1 Pointer{}) = equals <+> text "NULL"
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我想用Java方式编写它,我在函数签名之前有参数描述.我有更复杂的签名,所以这种方法打破了可读性.有没有办法像这样写?

-- Initializes local variables so arrays will get defined
--
-- Defer initialization context inside a compound type.
-- 
-- ^ 1st parameter description
-- ^ 2nd parameter description
-- ^ 3rd parameter description
-- ^ 4th parameter description
-- ^ result value desription
initialize :: Bool->Type->[Signal]->Structure->Doc       
initialize _ (MachineVector 1 Pointer{}) = equals <+> text "NULL"
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