Bug613

Safe Haskell | Safe-Inferred
Language | Haskell2010

Bug613

Synopsis

- class Functor (f :: Type -> Type) where
  - fmap :: (a -> b) -> f a -> f b
- data ThreeVars a0 a b = ThreeVars a b

# Documentation

class Functor (f :: Type -> Type) where #

Methods

fmap :: (a -> b) -> f a -> f b #

#### Instances

Instances details

Functor (Either a) # |
Instance details Defined in Bug613 Methods fmap :: (a0 -> b) -> Either a a0 -> Either a b #
Functor (ThreeVars a0 a) # |
Instance details Defined in Bug613 Methods fmap :: (a1 -> b) -> ThreeVars a0 a a1 -> ThreeVars a0 a b #

data ThreeVars a0 a b #

Phantom type a0 is added to block the first renaming from a to a0. This ensures that the renamer doesn't create a new conflict

Constructors

ThreeVars a b |

#### Instances

Instances details

Functor (ThreeVars a0 a) # |
Instance details Defined in Bug613 Methods fmap :: (a1 -> b) -> ThreeVars a0 a a1 -> ThreeVars a0 a b #