Ratio package:lens

pattern RatioZeroDenominator_ :: AsArithException s => s
lens Control.Exception.Lens
_RatioZeroDenominator :: AsArithException t => Prism' t ()
lens Control.Exception.Lens
_RatioZeroDenominator ≡ _ArithException . _RatioZeroDenominator

_RatioZeroDenominator :: Prism' ArithException ArithException
_RatioZeroDenominator :: Prism' SomeException  ArithException
_RationalL :: Prism' Lit Rational
lens Language.Haskell.TH.Lens
matchDeclarations :: Lens' Match [Dec]
lens Language.Haskell.TH.Lens
_IllegalOperation :: Prism' IOErrorType ()
lens System.IO.Error.Lens
_UnsupportedOperation :: Prism' IOErrorType ()
lens System.IO.Error.Lens