lens-4.19.2: Lenses, Folds and Traversals
Copyright(C) 2012-16 Edward Kmett Michael Sloan
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityexperimental
PortabilityRank2, MPTCs, fundeps
Safe HaskellTrustworthy
LanguageHaskell2010

Control.Lens.Wrapped

Description

The Wrapped class provides similar functionality as Control.Newtype, from the newtype package, but in a more convenient and efficient form.

There are a few functions from newtype that are not provided here, because they can be done with the Iso directly:

Control.Newtype.over Sum f ≡ _Unwrapping Sum %~ f
Control.Newtype.under Sum f ≡ _Wrapping Sum %~ f
Control.Newtype.overF Sum f ≡ mapping (_Unwrapping Sum) %~ f
Control.Newtype.underF Sum f ≡ mapping (_Wrapping Sum) %~ f

under can also be used with _Unwrapping to provide the equivalent of Control.Newtype.under. Also, most use cases don't need full polymorphism, so only the single constructor _Wrapping functions would be needed.

These equivalences aren't 100% honest, because newtype's operators need to rely on two Newtype constraints. This means that the wrapper used for the output is not necessarily the same as the input.

Synopsis

Wrapping and Unwrapping monomorphically

class Wrapped s where #

Wrapped provides isomorphisms to wrap and unwrap newtypes or data types with one constructor.

Minimal complete definition

Nothing

Associated Types

type Unwrapped s :: * #

type Unwrapped s = GUnwrapped (Rep s)

Methods

_Wrapped' :: Iso' s (Unwrapped s) #

An isomorphism between s and a.

If your type has a Generic instance, _Wrapped' will default to _GWrapped', and you can choose to not override it with your own definition.

default _Wrapped' :: (Generic s, D1 d (C1 c (S1 s' (Rec0 a))) ~ Rep s, Unwrapped s ~ GUnwrapped (Rep s)) => Iso' s (Unwrapped s) #

Instances

Instances details
Wrapped PatternMatchFail # 
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Defined in Control.Lens.Wrapped

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type Unwrapped PatternMatchFail #

Wrapped RecSelError # 
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type Unwrapped RecSelError #

Wrapped RecConError # 
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type Unwrapped RecConError #

Wrapped RecUpdError # 
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type Unwrapped RecUpdError #

Wrapped NoMethodError # 
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type Unwrapped NoMethodError #

Wrapped TypeError # 
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type Unwrapped TypeError #

Wrapped CDev # 
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Defined in Control.Lens.Wrapped

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type Unwrapped CDev #

Wrapped CIno # 
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type Unwrapped CIno #

Wrapped CMode # 
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type Unwrapped CMode #

Wrapped COff # 
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type Unwrapped COff #

Wrapped CPid # 
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type Unwrapped CPid #

Wrapped CSsize # 
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type Unwrapped CSsize #

Wrapped CGid # 
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type Unwrapped CGid #

Wrapped CNlink # 
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type Unwrapped CNlink #

Wrapped CUid # 
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type Unwrapped CUid #

Wrapped CCc # 
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type Unwrapped CCc #

Wrapped CSpeed # 
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type Unwrapped CSpeed #

Wrapped CTcflag # 
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type Unwrapped CTcflag #

Wrapped CRLim # 
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type Unwrapped CRLim #

Wrapped CBlkSize # 
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type Unwrapped CBlkSize #

Wrapped CBlkCnt # 
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type Unwrapped CBlkCnt #

Wrapped CClockId # 
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type Unwrapped CClockId #

Wrapped CFsBlkCnt # 
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Defined in Control.Lens.Wrapped

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type Unwrapped CFsBlkCnt #

Wrapped CFsFilCnt # 
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type Unwrapped CFsFilCnt #

Wrapped CId # 
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type Unwrapped CId #

Wrapped CKey # 
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type Unwrapped CKey #

Wrapped CTimer # 
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type Unwrapped CTimer #

Wrapped Fd # 
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type Unwrapped Fd #

Wrapped Errno # 
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type Unwrapped Errno #

Wrapped CompactionFailed # 
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type Unwrapped CompactionFailed #

Wrapped AssertionFailed # 
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type Unwrapped AssertionFailed #

Wrapped ErrorCall # 
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type Unwrapped ErrorCall #

Wrapped All # 
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type Unwrapped All #

Wrapped Any # 
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type Unwrapped Any #

Wrapped CChar # 
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type Unwrapped CChar #

Wrapped CSChar # 
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type Unwrapped CSChar #

Wrapped CUChar # 
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type Unwrapped CUChar #

Wrapped CShort # 
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type Unwrapped CShort #

Wrapped CUShort # 
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type Unwrapped CUShort #

Wrapped CInt # 
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type Unwrapped CInt #

Wrapped CUInt # 
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type Unwrapped CUInt #

Wrapped CLong # 
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type Unwrapped CLong #

Wrapped CULong # 
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type Unwrapped CULong #

Wrapped CLLong # 
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type Unwrapped CLLong #

Wrapped CULLong # 
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type Unwrapped CULLong #

Wrapped CBool # 
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type Unwrapped CBool #

Wrapped CFloat # 
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type Unwrapped CFloat #

Wrapped CDouble # 
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type Unwrapped CDouble #

Wrapped CPtrdiff # 
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type Unwrapped CPtrdiff #

Wrapped CSize # 
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type Unwrapped CSize #

Wrapped CWchar # 
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type Unwrapped CWchar #

Wrapped CSigAtomic # 
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Defined in Control.Lens.Wrapped

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type Unwrapped CSigAtomic #

Wrapped CClock # 
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Defined in Control.Lens.Wrapped

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type Unwrapped CClock #

Wrapped CTime # 
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type Unwrapped CTime #

Wrapped CUSeconds # 
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type Unwrapped CUSeconds #

Wrapped CSUSeconds # 
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type Unwrapped CSUSeconds #

Wrapped CIntPtr # 
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type Unwrapped CIntPtr #

Wrapped CUIntPtr # 
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type Unwrapped CUIntPtr #

Wrapped CIntMax # 
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type Unwrapped CIntMax #

Wrapped CUIntMax # 
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type Unwrapped CUIntMax #

Wrapped IntSet # 
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Defined in Control.Lens.Wrapped

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type Unwrapped IntSet #

Wrapped (Par1 p) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Par1 p) #

Methods

_Wrapped' :: Iso' (Par1 p) (Unwrapped (Par1 p)) #

Wrapped (Predicate a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Predicate a) #

Wrapped (Comparison a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Comparison a) #

Wrapped (Equivalence a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Equivalence a) #

Wrapped (Min a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Min a) #

Methods

_Wrapped' :: Iso' (Min a) (Unwrapped (Min a)) #

Wrapped (Max a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Max a) #

Methods

_Wrapped' :: Iso' (Max a) (Unwrapped (Max a)) #

Wrapped (First a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (First a) #

Methods

_Wrapped' :: Iso' (First a) (Unwrapped (First a)) #

Wrapped (Last a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Last a) #

Methods

_Wrapped' :: Iso' (Last a) (Unwrapped (Last a)) #

Wrapped (WrappedMonoid a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (WrappedMonoid a) #

Wrapped (Option a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (Option a) #

Methods

_Wrapped' :: Iso' (Option a) (Unwrapped (Option a)) #

Wrapped (ZipList a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (ZipList a) #

Methods

_Wrapped' :: Iso' (ZipList a) (Unwrapped (ZipList a)) #

Wrapped (Identity a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Identity a) #

Wrapped (First a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (First a) #

Methods

_Wrapped' :: Iso' (First a) (Unwrapped (First a)) #

Wrapped (Last a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Last a) #

Methods

_Wrapped' :: Iso' (Last a) (Unwrapped (Last a)) #

Wrapped (Dual a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Dual a) #

Methods

_Wrapped' :: Iso' (Dual a) (Unwrapped (Dual a)) #

Wrapped (Endo a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Endo a) #

Methods

_Wrapped' :: Iso' (Endo a) (Unwrapped (Endo a)) #

Wrapped (Sum a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Sum a) #

Methods

_Wrapped' :: Iso' (Sum a) (Unwrapped (Sum a)) #

Wrapped (Product a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Product a) #

Methods

_Wrapped' :: Iso' (Product a) (Unwrapped (Product a)) #

Wrapped (Down a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Down a) #

Methods

_Wrapped' :: Iso' (Down a) (Unwrapped (Down a)) #

Wrapped (NonEmpty a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (NonEmpty a) #

Wrapped (IntMap a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (IntMap a) #

Methods

_Wrapped' :: Iso' (IntMap a) (Unwrapped (IntMap a)) #

Wrapped (Seq a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Seq a) #

Methods

_Wrapped' :: Iso' (Seq a) (Unwrapped (Seq a)) #

Ord a => Wrapped (Set a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Set a) #

Methods

_Wrapped' :: Iso' (Set a) (Unwrapped (Set a)) #

(Hashable a, Eq a) => Wrapped (HashSet a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (HashSet a) #

Methods

_Wrapped' :: Iso' (HashSet a) (Unwrapped (HashSet a)) #

Unbox a => Wrapped (Vector a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Vector a) #

Methods

_Wrapped' :: Iso' (Vector a) (Unwrapped (Vector a)) #

Storable a => Wrapped (Vector a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Vector a) #

Methods

_Wrapped' :: Iso' (Vector a) (Unwrapped (Vector a)) #

Prim a => Wrapped (Vector a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Vector a) #

Methods

_Wrapped' :: Iso' (Vector a) (Unwrapped (Vector a)) #

Wrapped (Vector a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Vector a) #

Methods

_Wrapped' :: Iso' (Vector a) (Unwrapped (Vector a)) #

Wrapped (Op a b) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Op a b) #

Methods

_Wrapped' :: Iso' (Op a b) (Unwrapped (Op a b)) #

Wrapped (WrappedMonad m a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (WrappedMonad m a) #

Wrapped (ArrowMonad m a) # 
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Defined in Control.Lens.Wrapped

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type Unwrapped (ArrowMonad m a) #

Methods

_Wrapped' :: Iso' (ArrowMonad m a) (Unwrapped (ArrowMonad m a)) #

Ord k => Wrapped (Map k a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Map k a) #

Methods

_Wrapped' :: Iso' (Map k a) (Unwrapped (Map k a)) #

Wrapped (MaybeT m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (MaybeT m a) #

Methods

_Wrapped' :: Iso' (MaybeT m a) (Unwrapped (MaybeT m a)) #

Wrapped (CatchT m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (CatchT m a) #

Methods

_Wrapped' :: Iso' (CatchT m a) (Unwrapped (CatchT m a)) #

Wrapped (CoiterT w a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (CoiterT w a) #

Methods

_Wrapped' :: Iso' (CoiterT w a) (Unwrapped (CoiterT w a)) #

Wrapped (IterT m a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (IterT m a) #

Methods

_Wrapped' :: Iso' (IterT m a) (Unwrapped (IterT m a)) #

Wrapped (Alt f a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (Alt f a) #

Methods

_Wrapped' :: Iso' (Alt f a) (Unwrapped (Alt f a)) #

Wrapped (ListT m a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (ListT m a) #

Methods

_Wrapped' :: Iso' (ListT m a) (Unwrapped (ListT m a)) #

Wrapped (WrappedApplicative f a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (WrappedApplicative f a) #

Wrapped (MaybeApply f a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (MaybeApply f a) #

Methods

_Wrapped' :: Iso' (MaybeApply f a) (Unwrapped (MaybeApply f a)) #

(Hashable k, Eq k) => Wrapped (HashMap k a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (HashMap k a) #

Methods

_Wrapped' :: Iso' (HashMap k a) (Unwrapped (HashMap k a)) #

Wrapped (Rec1 f p) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Rec1 f p) #

Methods

_Wrapped' :: Iso' (Rec1 f p) (Unwrapped (Rec1 f p)) #

Wrapped (WrappedArrow a b c) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WrappedArrow a b c) #

Methods

_Wrapped' :: Iso' (WrappedArrow a b c) (Unwrapped (WrappedArrow a b c)) #

Wrapped (Kleisli m a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Kleisli m a b) #

Methods

_Wrapped' :: Iso' (Kleisli m a b) (Unwrapped (Kleisli m a b)) #

Wrapped (Const a x) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Const a x) #

Methods

_Wrapped' :: Iso' (Const a x) (Unwrapped (Const a x)) #

Wrapped (Ap f a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Ap f a) #

Methods

_Wrapped' :: Iso' (Ap f a) (Unwrapped (Ap f a)) #

Wrapped (Alt f a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Alt f a) #

Methods

_Wrapped' :: Iso' (Alt f a) (Unwrapped (Alt f a)) #

Wrapped (Join p a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Join p a) #

Methods

_Wrapped' :: Iso' (Join p a) (Unwrapped (Join p a)) #

Wrapped (Fix p a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Fix p a) #

Methods

_Wrapped' :: Iso' (Fix p a) (Unwrapped (Fix p a)) #

Wrapped (TracedT m w a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (TracedT m w a) #

Methods

_Wrapped' :: Iso' (TracedT m w a) (Unwrapped (TracedT m w a)) #

Wrapped (IdentityT m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (IdentityT m a) #

Methods

_Wrapped' :: Iso' (IdentityT m a) (Unwrapped (IdentityT m a)) #

Wrapped (Compose f g a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Compose f g a) #

Methods

_Wrapped' :: Iso' (Compose f g a) (Unwrapped (Compose f g a)) #

Wrapped (ComposeFC f g a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ComposeFC f g a) #

Methods

_Wrapped' :: Iso' (ComposeFC f g a) (Unwrapped (ComposeFC f g a)) #

Wrapped (ComposeCF f g a) # 
Instance details

Defined in Control.Lens.Wrapped

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type Unwrapped (ComposeCF f g a) #

Methods

_Wrapped' :: Iso' (ComposeCF f g a) (Unwrapped (ComposeCF f g a)) #

Wrapped (ExceptT e m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ExceptT e m a) #

Methods

_Wrapped' :: Iso' (ExceptT e m a) (Unwrapped (ExceptT e m a)) #

Wrapped (FreeT f m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (FreeT f m a) #

Methods

_Wrapped' :: Iso' (FreeT f m a) (Unwrapped (FreeT f m a)) #

Wrapped (CofreeT f w a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (CofreeT f w a) #

Methods

_Wrapped' :: Iso' (CofreeT f w a) (Unwrapped (CofreeT f w a)) #

Wrapped (ApT f g a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ApT f g a) #

Methods

_Wrapped' :: Iso' (ApT f g a) (Unwrapped (ApT f g a)) #

Wrapped (ErrorT e m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ErrorT e m a) #

Methods

_Wrapped' :: Iso' (ErrorT e m a) (Unwrapped (ErrorT e m a)) #

Wrapped (ReaderT r m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ReaderT r m a) #

Methods

_Wrapped' :: Iso' (ReaderT r m a) (Unwrapped (ReaderT r m a)) #

Wrapped (StateT s m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (StateT s m a) #

Methods

_Wrapped' :: Iso' (StateT s m a) (Unwrapped (StateT s m a)) #

Wrapped (StateT s m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (StateT s m a) #

Methods

_Wrapped' :: Iso' (StateT s m a) (Unwrapped (StateT s m a)) #

Wrapped (WriterT w m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WriterT w m a) #

Methods

_Wrapped' :: Iso' (WriterT w m a) (Unwrapped (WriterT w m a)) #

Wrapped (WriterT w m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WriterT w m a) #

Methods

_Wrapped' :: Iso' (WriterT w m a) (Unwrapped (WriterT w m a)) #

Wrapped (Constant a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Constant a b) #

Methods

_Wrapped' :: Iso' (Constant a b) (Unwrapped (Constant a b)) #

Wrapped (Static f a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Static f a b) #

Methods

_Wrapped' :: Iso' (Static f a b) (Unwrapped (Static f a b)) #

Wrapped (Tagged s a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Tagged s a) #

Methods

_Wrapped' :: Iso' (Tagged s a) (Unwrapped (Tagged s a)) #

Wrapped (Reverse f a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Reverse f a) #

Methods

_Wrapped' :: Iso' (Reverse f a) (Unwrapped (Reverse f a)) #

Wrapped (Backwards f a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Backwards f a) #

Methods

_Wrapped' :: Iso' (Backwards f a) (Unwrapped (Backwards f a)) #

Wrapped (K1 i c p) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (K1 i c p) #

Methods

_Wrapped' :: Iso' (K1 i c p) (Unwrapped (K1 i c p)) #

Wrapped (ContT r m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (ContT r m a) #

Methods

_Wrapped' :: Iso' (ContT r m a) (Unwrapped (ContT r m a)) #

Wrapped (Star f d c) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Star f d c) #

Methods

_Wrapped' :: Iso' (Star f d c) (Unwrapped (Star f d c)) #

Wrapped (Costar f d c) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Costar f d c) #

Methods

_Wrapped' :: Iso' (Costar f d c) (Unwrapped (Costar f d c)) #

Wrapped (Forget r a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Forget r a b) #

Methods

_Wrapped' :: Iso' (Forget r a b) (Unwrapped (Forget r a b)) #

Wrapped (M1 i c f p) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (M1 i c f p) #

Methods

_Wrapped' :: Iso' (M1 i c f p) (Unwrapped (M1 i c f p)) #

Wrapped ((f :.: g) p) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped ((f :.: g) p) #

Methods

_Wrapped' :: Iso' ((f :.: g) p) (Unwrapped ((f :.: g) p)) #

Wrapped (Compose f g a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Compose f g a) #

Methods

_Wrapped' :: Iso' (Compose f g a) (Unwrapped (Compose f g a)) #

Wrapped (WrappedBifunctor p a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WrappedBifunctor p a b) #

Wrapped (Joker g a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Joker g a b) #

Methods

_Wrapped' :: Iso' (Joker g a b) (Unwrapped (Joker g a b)) #

Wrapped (Flip p a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Flip p a b) #

Methods

_Wrapped' :: Iso' (Flip p a b) (Unwrapped (Flip p a b)) #

Wrapped (Clown f a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Clown f a b) #

Methods

_Wrapped' :: Iso' (Clown f a b) (Unwrapped (Clown f a b)) #

Wrapped (RWST r w s m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (RWST r w s m a) #

Methods

_Wrapped' :: Iso' (RWST r w s m a) (Unwrapped (RWST r w s m a)) #

Wrapped (RWST r w s m a) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (RWST r w s m a) #

Methods

_Wrapped' :: Iso' (RWST r w s m a) (Unwrapped (RWST r w s m a)) #

Wrapped (WrappedArrow p a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WrappedArrow p a b) #

Methods

_Wrapped' :: Iso' (WrappedArrow p a b) (Unwrapped (WrappedArrow p a b)) #

Wrapped (Dual k3 a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Dual k3 a b) #

Methods

_Wrapped' :: Iso' (Dual k3 a b) (Unwrapped (Dual k3 a b)) #

Wrapped (WrappedCategory k3 a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (WrappedCategory k3 a b) #

Wrapped (Semi m a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Semi m a b) #

Methods

_Wrapped' :: Iso' (Semi m a b) (Unwrapped (Semi m a b)) #

Wrapped (Tannen f p a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Tannen f p a b) #

Methods

_Wrapped' :: Iso' (Tannen f p a b) (Unwrapped (Tannen f p a b)) #

Wrapped (Cayley f p a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Cayley f p a b) #

Methods

_Wrapped' :: Iso' (Cayley f p a b) (Unwrapped (Cayley f p a b)) #

Wrapped (Biff p f g a b) # 
Instance details

Defined in Control.Lens.Wrapped

Associated Types

type Unwrapped (Biff p f g a b) #

Methods

_Wrapped' :: Iso' (Biff p f g a b) (Unwrapped (Biff p f g a b)) #

_Wrapping' :: Wrapped s => (Unwrapped s -> s) -> Iso' s (Unwrapped s) #

This is a convenient version of _Wrapped with an argument that's ignored.

The user supplied function is ignored, merely its type is used.

_Unwrapping' :: Wrapped s => (Unwrapped s -> s) -> Iso' (Unwrapped s) s #

This is a convenient version of _Wrapped with an argument that's ignored.

The user supplied function is ignored, merely its type is used.

Wrapping and unwrapping polymorphically

class Wrapped s => Rewrapped (s :: *) (t :: *) #

Instances

Instances details
t ~ PatternMatchFail => Rewrapped PatternMatchFail t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ RecSelError => Rewrapped RecSelError t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ RecConError => Rewrapped RecConError t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ RecUpdError => Rewrapped RecUpdError t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ NoMethodError => Rewrapped NoMethodError t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ TypeError => Rewrapped TypeError t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CDev t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CIno t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CMode t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped COff t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CPid t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSsize t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CGid t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CNlink t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUid t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CCc t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSpeed t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CTcflag t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CRLim t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CBlkSize t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CBlkCnt t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CClockId t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CFsBlkCnt t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CFsFilCnt t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CId t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CKey t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CTimer t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped Fd t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped Errno t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ CompactionFailed => Rewrapped CompactionFailed t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ AssertionFailed => Rewrapped AssertionFailed t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ErrorCall => Rewrapped ErrorCall t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ All => Rewrapped All t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Any => Rewrapped Any t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CChar t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSChar t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUChar t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CShort t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUShort t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CInt t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUInt t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CLong t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CULong t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CLLong t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CULLong t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CBool t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CFloat t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CDouble t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CPtrdiff t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSize t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CWchar t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSigAtomic t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CClock t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CTime t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUSeconds t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CSUSeconds t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CIntPtr t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUIntPtr t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CIntMax t # 
Instance details

Defined in Control.Lens.Wrapped

Rewrapped CUIntMax t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ IntSet => Rewrapped IntSet t #

Use wrapping fromList. unwrapping returns a sorted list.

Instance details

Defined in Control.Lens.Wrapped

t ~ Par1 p' => Rewrapped (Par1 p) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Predicate b => Rewrapped (Predicate a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Comparison b => Rewrapped (Comparison a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Equivalence b => Rewrapped (Equivalence a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Min b => Rewrapped (Min a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Max b => Rewrapped (Max a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ First b => Rewrapped (First a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Last b => Rewrapped (Last a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedMonoid b => Rewrapped (WrappedMonoid a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Option b => Rewrapped (Option a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ZipList b => Rewrapped (ZipList a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Identity b => Rewrapped (Identity a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ First b => Rewrapped (First a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Last b => Rewrapped (Last a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Dual b => Rewrapped (Dual a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Endo b => Rewrapped (Endo a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Sum b => Rewrapped (Sum a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Product b => Rewrapped (Product a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Down b => Rewrapped (Down a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ NonEmpty b => Rewrapped (NonEmpty a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ IntMap a' => Rewrapped (IntMap a) t #

Use wrapping fromList. unwrapping returns a sorted list.

Instance details

Defined in Control.Lens.Wrapped

t ~ Seq a' => Rewrapped (Seq a) t # 
Instance details

Defined in Control.Lens.Wrapped

(t ~ Set a', Ord a) => Rewrapped (Set a) t #

Use wrapping fromList. unwrapping returns a sorted list.

Instance details

Defined in Control.Lens.Wrapped

(t ~ HashSet a', Hashable a, Eq a) => Rewrapped (HashSet a) t #

Use wrapping fromList. Unwrapping returns some permutation of the list.

Instance details

Defined in Control.Lens.Wrapped

(Unbox a, t ~ Vector a') => Rewrapped (Vector a) t # 
Instance details

Defined in Control.Lens.Wrapped

(Storable a, t ~ Vector a') => Rewrapped (Vector a) t # 
Instance details

Defined in Control.Lens.Wrapped

(Prim a, t ~ Vector a') => Rewrapped (Vector a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Vector a' => Rewrapped (Vector a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Op a' b' => Rewrapped (Op a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedMonad m' a' => Rewrapped (WrappedMonad m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ArrowMonad m' a' => Rewrapped (ArrowMonad m a) t # 
Instance details

Defined in Control.Lens.Wrapped

(t ~ Map k' a', Ord k) => Rewrapped (Map k a) t #

Use wrapping fromList. unwrapping returns a sorted list.

Instance details

Defined in Control.Lens.Wrapped

t ~ MaybeT n b => Rewrapped (MaybeT m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ CatchT m' a' => Rewrapped (CatchT m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ CoiterT w' a' => Rewrapped (CoiterT w a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ IterT m' a' => Rewrapped (IterT m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Alt f' a' => Rewrapped (Alt f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ListT n b => Rewrapped (ListT m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedApplicative f' a' => Rewrapped (WrappedApplicative f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ MaybeApply f' a' => Rewrapped (MaybeApply f a) t # 
Instance details

Defined in Control.Lens.Wrapped

(t ~ HashMap k' a', Hashable k, Eq k) => Rewrapped (HashMap k a) t #

Use wrapping fromList. Unwrapping returns some permutation of the list.

Instance details

Defined in Control.Lens.Wrapped

t ~ Rec1 f' p' => Rewrapped (Rec1 f p) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedArrow a' b' c' => Rewrapped (WrappedArrow a b c) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Kleisli m' a' b' => Rewrapped (Kleisli m a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Const a' x' => Rewrapped (Const a x) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Ap g b => Rewrapped (Ap f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Alt g b => Rewrapped (Alt f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Join p' a' => Rewrapped (Join p a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Fix p' a' => Rewrapped (Fix p a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ TracedT m' w' a' => Rewrapped (TracedT m w a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ IdentityT n b => Rewrapped (IdentityT m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Compose f' g' a' => Rewrapped (Compose f g a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ComposeFC f' g' a' => Rewrapped (ComposeFC f g a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ComposeCF f' g' a' => Rewrapped (ComposeCF f g a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ExceptT e' m' a' => Rewrapped (ExceptT e m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ FreeT f' m' a' => Rewrapped (FreeT f m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ CofreeT f' w' a' => Rewrapped (CofreeT f w a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ApT f' g' a' => Rewrapped (ApT f g a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ErrorT e' m' a' => Rewrapped (ErrorT e m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ReaderT s n b => Rewrapped (ReaderT r m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ StateT s' m' a' => Rewrapped (StateT s m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ StateT s' m' a' => Rewrapped (StateT s m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WriterT w' m' a' => Rewrapped (WriterT w m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WriterT w' m' a' => Rewrapped (WriterT w m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Constant a' b' => Rewrapped (Constant a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Static f' a' b' => Rewrapped (Static f a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Tagged s' a' => Rewrapped (Tagged s a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Reverse g b => Rewrapped (Reverse f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Backwards g b => Rewrapped (Backwards f a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ K1 i' c' p' => Rewrapped (K1 i c p) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ ContT r' m' a' => Rewrapped (ContT r m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Star f' d' c' => Rewrapped (Star f d c) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Costar f' d' c' => Rewrapped (Costar f d c) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Forget r' a' b' => Rewrapped (Forget r a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ M1 i' c' f' p' => Rewrapped (M1 i c f p) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ (f' :.: g') p' => Rewrapped ((f :.: g) p) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Compose f' g' a' => Rewrapped (Compose f g a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedBifunctor p' a' b' => Rewrapped (WrappedBifunctor p a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Joker g' a' b' => Rewrapped (Joker g a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Flip p' a' b' => Rewrapped (Flip p a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Clown f' a' b' => Rewrapped (Clown f a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ RWST r' w' s' m' a' => Rewrapped (RWST r w s m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ RWST r' w' s' m' a' => Rewrapped (RWST r w s m a) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedArrow p' a' b' => Rewrapped (WrappedArrow p a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Dual k' a' b' => Rewrapped (Dual k6 a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ WrappedCategory k' a' b' => Rewrapped (WrappedCategory k6 a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Semi m' a' b' => Rewrapped (Semi m a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Tannen f' p' a' b' => Rewrapped (Tannen f p a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Cayley f' p' a' b' => Rewrapped (Cayley f p a b) t # 
Instance details

Defined in Control.Lens.Wrapped

t ~ Biff p' f' g' a' b' => Rewrapped (Biff p f g a b) t # 
Instance details

Defined in Control.Lens.Wrapped

class (Rewrapped s t, Rewrapped t s) => Rewrapping s t #

Instances

Instances details
(Rewrapped s t, Rewrapped t s) => Rewrapping s t # 
Instance details

Defined in Control.Lens.Wrapped

_Wrapped :: Rewrapping s t => Iso s t (Unwrapped s) (Unwrapped t) #

Work under a newtype wrapper.

>>> Const "hello" & _Wrapped %~ Prelude.length & getConst
5
_Wrappedfrom _Unwrapped
_Unwrappedfrom _Wrapped

_Wrapping :: Rewrapping s t => (Unwrapped s -> s) -> Iso s t (Unwrapped s) (Unwrapped t) #

This is a convenient version of _Wrapped with an argument that's ignored.

The user supplied function is ignored, merely its types are used.

_Unwrapping :: Rewrapping s t => (Unwrapped s -> s) -> Iso (Unwrapped t) (Unwrapped s) t s #

This is a convenient version of _Unwrapped with an argument that's ignored.

The user supplied function is ignored, merely its types are used.

Operations

op :: Wrapped s => (Unwrapped s -> s) -> s -> Unwrapped s #

Given the constructor for a Wrapped type, return a deconstructor that is its inverse.

Assuming the Wrapped instance is legal, these laws hold:

op f . f ≡ id
f . op f ≡ id
>>> op Identity (Identity 4)
4
>>> op Const (Const "hello")
"hello"

ala :: (Functor f, Rewrapping s t) => (Unwrapped s -> s) -> ((Unwrapped t -> t) -> f s) -> f (Unwrapped s) #

This combinator is based on ala from Conor McBride's work on Epigram.

As with _Wrapping, the user supplied function for the newtype is ignored.

>>> ala Sum foldMap [1,2,3,4]
10
>>> ala All foldMap [True,True]
True
>>> ala All foldMap [True,False]
False
>>> ala Any foldMap [False,False]
False
>>> ala Any foldMap [True,False]
True
>>> ala Product foldMap [1,2,3,4]
24

You may want to think of this combinator as having the following, simpler, type.

ala :: Rewrapping s t => (Unwrapped s -> s) -> ((Unwrapped t -> t) -> e -> s) -> e -> Unwrapped s

alaf :: (Functor f, Functor g, Rewrapping s t) => (Unwrapped s -> s) -> (f t -> g s) -> f (Unwrapped t) -> g (Unwrapped s) #

This combinator is based on ala' from Conor McBride's work on Epigram.

As with _Wrapping, the user supplied function for the newtype is ignored.

alaf :: Rewrapping s t => (Unwrapped s -> s) -> ((r -> t) -> e -> s) -> (r -> Unwrapped t) -> e -> Unwrapped s
>>> alaf Sum foldMap Prelude.length ["hello","world"]
10

Pattern Synonyms

pattern Wrapped :: Rewrapped s s => Unwrapped s -> s #

pattern Unwrapped :: Rewrapped t t => t -> Unwrapped t #

Generics

_GWrapped' :: (Generic s, D1 d (C1 c (S1 s' (Rec0 a))) ~ Rep s, Unwrapped s ~ GUnwrapped (Rep s)) => Iso' s (Unwrapped s) #

Implement the _Wrapped operation for a type using its Generic instance.