singletons-2.4.1: A framework for generating singleton types

Copyright(C) 2014 Jan Stolarek
LicenseBSD-style (see LICENSE)
Maintainerjan.stolarek@p.lodz.pl
Stabilityexperimental
Portabilitynon-portable
Safe HaskellNone
LanguageHaskell2010

Data.Promotion.Prelude.Either

Contents

Description

Defines promoted functions and datatypes relating to Either, including a promoted version of all the definitions in Data.Either.

Because many of these definitions are produced by Template Haskell, it is not possible to create proper Haddock documentation. Please look up the corresponding operation in Data.Either. Also, please excuse the apparent repeated variable names. This is due to an interaction between Template Haskell and Haddock.

Synopsis

Promoted functions from Data.Either

either_ :: (a -> c) -> (b -> c) -> Either a b -> c Source #

type family Either_ (a :: TyFun a c -> Type) (a :: TyFun b c -> Type) (a :: Either a b) :: c where ... Source #

Equations

Either_ f _ (Left x) = Apply f x 
Either_ _ g (Right y) = Apply g y 

The preceding two definitions are derived from the function either in Data.Either. The extra underscore is to avoid name clashes with the type Either.

type family Lefts (a :: [Either a b]) :: [a] where ... Source #

Equations

Lefts '[] = '[] 
Lefts ((:) (Left x) xs) = Apply (Apply (:@#@$) x) (Apply LeftsSym0 xs) 
Lefts ((:) (Right _) xs) = Apply LeftsSym0 xs 

type family Rights (a :: [Either a b]) :: [b] where ... Source #

Equations

Rights '[] = '[] 
Rights ((:) (Left _) xs) = Apply RightsSym0 xs 
Rights ((:) (Right x) xs) = Apply (Apply (:@#@$) x) (Apply RightsSym0 xs) 

type family PartitionEithers (a :: [Either a b]) :: ([a], [b]) where ... Source #

Equations

PartitionEithers a_6989586621679993720 = Apply (Apply (Apply FoldrSym0 (Apply (Apply Either_Sym0 (Let6989586621679993727LeftSym1 a_6989586621679993720)) (Let6989586621679993727RightSym1 a_6989586621679993720))) (Apply (Apply Tuple2Sym0 '[]) '[])) a_6989586621679993720 

type family IsLeft (a :: Either a b) :: Bool where ... Source #

Equations

IsLeft (Left _) = TrueSym0 
IsLeft (Right _) = FalseSym0 

type family IsRight (a :: Either a b) :: Bool where ... Source #

Equations

IsRight (Left _) = FalseSym0 
IsRight (Right _) = TrueSym0 

Defunctionalization symbols

data LeftSym0 (l :: TyFun a6989586621679084181 (Either a6989586621679084181 b6989586621679084182)) Source #

Instances
SuppressUnusedWarnings (LeftSym0 :: TyFun a6989586621679084181 (Either a6989586621679084181 b6989586621679084182) -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Instances

type Apply (LeftSym0 :: TyFun a (Either a b6989586621679084182) -> *) (l :: a) Source # 
Instance details

Defined in Data.Singletons.Prelude.Instances

type Apply (LeftSym0 :: TyFun a (Either a b6989586621679084182) -> *) (l :: a) = (Left l :: Either a b6989586621679084182)

type LeftSym1 (t :: a6989586621679084181) = Left t Source #

data RightSym0 (l :: TyFun b6989586621679084182 (Either a6989586621679084181 b6989586621679084182)) Source #

Instances
SuppressUnusedWarnings (RightSym0 :: TyFun b6989586621679084182 (Either a6989586621679084181 b6989586621679084182) -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Instances

type Apply (RightSym0 :: TyFun b (Either a6989586621679084181 b) -> *) (l :: b) Source # 
Instance details

Defined in Data.Singletons.Prelude.Instances

type Apply (RightSym0 :: TyFun b (Either a6989586621679084181 b) -> *) (l :: b) = (Right l :: Either a6989586621679084181 b)

type RightSym1 (t :: b6989586621679084182) = Right t Source #

data Either_Sym0 (l :: TyFun (TyFun a6989586621679992217 c6989586621679992218 -> Type) (TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> Type)) Source #

Instances
SuppressUnusedWarnings (Either_Sym0 :: TyFun (TyFun a6989586621679992217 c6989586621679992218 -> Type) (TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> Type) -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym0 :: TyFun (TyFun a6989586621679992217 c6989586621679992218 -> Type) (TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> Type) -> *) (l :: TyFun a6989586621679992217 c6989586621679992218 -> Type) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym0 :: TyFun (TyFun a6989586621679992217 c6989586621679992218 -> Type) (TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> Type) -> *) (l :: TyFun a6989586621679992217 c6989586621679992218 -> Type) = (Either_Sym1 l :: TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> *)

data Either_Sym1 (l :: TyFun a6989586621679992217 c6989586621679992218 -> Type) (l :: TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type)) Source #

Instances
SuppressUnusedWarnings (Either_Sym1 :: (TyFun a6989586621679992217 c6989586621679992218 -> Type) -> TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym1 l1 :: TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> *) (l2 :: TyFun b6989586621679992219 c6989586621679992218 -> Type) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym1 l1 :: TyFun (TyFun b6989586621679992219 c6989586621679992218 -> Type) (TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> Type) -> *) (l2 :: TyFun b6989586621679992219 c6989586621679992218 -> Type) = Either_Sym2 l1 l2

data Either_Sym2 (l :: TyFun a6989586621679992217 c6989586621679992218 -> Type) (l :: TyFun b6989586621679992219 c6989586621679992218 -> Type) (l :: TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218) Source #

Instances
SuppressUnusedWarnings (Either_Sym2 :: (TyFun a6989586621679992217 c6989586621679992218 -> Type) -> (TyFun b6989586621679992219 c6989586621679992218 -> Type) -> TyFun (Either a6989586621679992217 b6989586621679992219) c6989586621679992218 -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym2 l1 l2 :: TyFun (Either a b) c -> *) (l3 :: Either a b) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (Either_Sym2 l1 l2 :: TyFun (Either a b) c -> *) (l3 :: Either a b) = Either_ l1 l2 l3

type Either_Sym3 (t :: TyFun a6989586621679992217 c6989586621679992218 -> Type) (t :: TyFun b6989586621679992219 c6989586621679992218 -> Type) (t :: Either a6989586621679992217 b6989586621679992219) = Either_ t t t Source #

data LeftsSym0 (l :: TyFun [Either a6989586621679993353 b6989586621679993354] [a6989586621679993353]) Source #

Instances
SuppressUnusedWarnings (LeftsSym0 :: TyFun [Either a6989586621679993353 b6989586621679993354] [a6989586621679993353] -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (LeftsSym0 :: TyFun [Either a b] [a] -> *) (l :: [Either a b]) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (LeftsSym0 :: TyFun [Either a b] [a] -> *) (l :: [Either a b]) = Lefts l

type LeftsSym1 (t :: [Either a6989586621679993353 b6989586621679993354]) = Lefts t Source #

data RightsSym0 (l :: TyFun [Either a6989586621679993351 b6989586621679993352] [b6989586621679993352]) Source #

Instances
SuppressUnusedWarnings (RightsSym0 :: TyFun [Either a6989586621679993351 b6989586621679993352] [b6989586621679993352] -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (RightsSym0 :: TyFun [Either a b] [b] -> *) (l :: [Either a b]) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (RightsSym0 :: TyFun [Either a b] [b] -> *) (l :: [Either a b]) = Rights l

type RightsSym1 (t :: [Either a6989586621679993351 b6989586621679993352]) = Rights t Source #

data IsLeftSym0 (l :: TyFun (Either a6989586621679993347 b6989586621679993348) Bool) Source #

Instances
SuppressUnusedWarnings (IsLeftSym0 :: TyFun (Either a6989586621679993347 b6989586621679993348) Bool -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (IsLeftSym0 :: TyFun (Either a b) Bool -> *) (l :: Either a b) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (IsLeftSym0 :: TyFun (Either a b) Bool -> *) (l :: Either a b) = IsLeft l

type IsLeftSym1 (t :: Either a6989586621679993347 b6989586621679993348) = IsLeft t Source #

data IsRightSym0 (l :: TyFun (Either a6989586621679993345 b6989586621679993346) Bool) Source #

Instances
SuppressUnusedWarnings (IsRightSym0 :: TyFun (Either a6989586621679993345 b6989586621679993346) Bool -> *) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (IsRightSym0 :: TyFun (Either a b) Bool -> *) (l :: Either a b) Source # 
Instance details

Defined in Data.Singletons.Prelude.Either

type Apply (IsRightSym0 :: TyFun (Either a b) Bool -> *) (l :: Either a b) = IsRight l

type IsRightSym1 (t :: Either a6989586621679993345 b6989586621679993346) = IsRight t Source #