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|
module RemoteData exposing (..)
import Http
type RemoteData a
= Initial
| Loading
| Failure Http.Error
| Success a
withDefault : a -> RemoteData a -> a
withDefault default rd =
case rd of
Success value ->
value
_ ->
default
map : (a -> b) -> RemoteData a -> RemoteData b
map fn rd =
case rd of
Initial ->
Initial
Loading ->
Loading
Failure err ->
Failure err
Success value ->
Success (fn value)
andThen : (a -> RemoteData b) -> RemoteData a -> RemoteData b
andThen callback rd =
case rd of
Initial ->
Initial
Loading ->
Loading
Failure err ->
Failure err
Success value ->
callback value
|