Hi,
I have the following json that i want to Decode :
{
...
"otherAttr" : 123,
"city1" : "",
"city2" : "Cupertino",
"yetAnotherAttr" : 123,
...
}
Here's my target model :
type alias User =
{...
, otherAttr : Int,
, city : String
, yetAnotherAttr : Int,
...
}
I want city to be decoded from city1 if present and fallback to city2, do
you have any clue?
So far i've tried using Decoder.oneOf then Decoder.at without success
userDecoder : Decoder User
userDecoder =
decode user
|> ...
|> required "otherAttr" int
|> cityDecoder
|> required "yetAnotherAttr" int
|> ...
cityDecoder : Decoder String
cityDecoder =
Decode.at [ "city1", "city2" ] Decode.string -- Not working !!
Any help appreciated!
Cheers,
Mehdi
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