Module

Data.Foreign.NullOrUndefined

Package: purescript-foreign-generic
Repository: paf31/purescript-foreign-generic

#NullOrUndefined Source

newtype NullOrUndefined a

A newtype wrapper whose IsForeign instance correctly handles null and undefined values.

Conceptually, this type represents values which may be null or undefined.

Constructors

NullOrUndefined (Maybe a)

Instances

Newtype (NullOrUndefined a) _
(Eq a) => Eq (NullOrUndefined a)
(Ord a) => Ord (NullOrUndefined a)
(Show a) => Show (NullOrUndefined a)

#unNullOrUndefined Source

unNullOrUndefined :: forall a. NullOrUndefined a -> Maybe a

Unwrap a NullOrUndefined value

#readNullOrUndefined Source

readNullOrUndefined :: forall a. (Foreign -> F a) -> Foreign -> F (NullOrUndefined a)

Read a NullOrUndefined value

#undefined Source

undefined :: Foreign

Modules: Data.Foreign.Class; Data.Foreign.Generic; Data.Foreign.Generic.Class; Data.Foreign.Generic.EnumEncoding; Data.Foreign.Generic.Types; Data.Foreign.Internal; Data.Foreign.JSON; Data.Foreign.NullOrUndefined