Data.HList.HOccurs

Documentation

class HOccursMany e l where

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Methods

hOccursMany :: l -> [e]

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Instances

HOccursMany e HNil

HOccursMany e l => HOccursMany e (TIP l)

(HOccursMany e l, HList l) => HOccursMany e (HCons e' l)

(HOccursMany e l, HList l) => HOccursMany e (HCons e l)

class HOccursMany1 e l where

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Methods

hOccursMany1 :: l -> (e, [e])

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Instances

HOccursMany1 e l => HOccursMany1 e (TIP l)

(HOccursMany1 e l, HList l) => HOccursMany1 e (HCons e' l)

(HOccursMany e l, HList l) => HOccursMany1 e (HCons e l)

class HOccursFst e l where

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Methods

hOccursFst :: l -> e

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Instances

HOccursFst e l => HOccursFst e (TIP l)

(HOccursFst e l, HList l) => HOccursFst e (HCons e' l)

HList l => HOccursFst e (HCons e l)

class HOccurs e l where

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Methods

hOccurs :: l -> e

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Instances

Fail (TypeNotFound e) => HOccurs e HNil

HOccurs e (HCons x (HCons y l)) => HOccurs e (TIP (HCons x (HCons y l)))

TypeCast e' e => HOccurs e (TIP (HCons e' HNil))

(HOccurs e l, HList l) => HOccurs e (HCons e' l)

(HList l, HOccursNot e l) => HOccurs e (HCons e l)

data TypeNotFound e

Source

class HOccurs' e l where

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Methods

hOccurs' :: l -> e

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Instances

(TypeEq e e' b, HOccursBool b e (HCons e' l)) => HOccurs' e (HCons e' l)

class HOccursBool b e l where

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Methods

hOccursBool :: b -> l -> e

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Instances

(HOccurs' e l, HList l) => HOccursBool HFalse e (HCons e' l)

(HList l, HOccursNot e l) => HOccursBool HTrue e (HCons e l)

class HOccursOpt e l where

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Methods

hOccursOpt :: l -> Maybe e

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Instances

HOccursOpt e HNil

HOccursOpt e l => HOccursOpt e (TIP l)

HOccursOpt e l => HOccursOpt e (HCons e' l)

HOccursOpt e (HCons e l)

data TypeFound e

Source

class HOccursNot e l

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Instances

HOccursNot e HNil

HOccursNot e l => HOccursNot e (TIP l)

HOccursNot e l => HOccursNot e (HCons e' l)

Fail (TypeFound e) => HOccursNot e (HCons e l)

class HProject l l' where

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Methods

hProject :: l -> l'

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Instances

HProject l HNil

(HList l', HOccurs e l, HProject l l') => HProject l (HCons e l')

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