Decode.lazy was what I was looking for, thank you!
However, now I have a new problem. Here is the new definitions of the
decoders:
type alias Elem =
{ tag : String, attrs : List ( String, String ), body : List Template }
type Template
= Body String
| Tag Elem
decodeTemplate : Json.Decoder Template
decodeTemplate =
Json.oneOf [ Json.map Tag decodeElem, Json.map Body Json.string ]
decodeElem : Json.Decoder Elem
decodeElem =
Json.map3 Elem
(Json.field "tag" Json.string)
(Json.field "attrs" (Json.keyValuePairs Json.string))
(Json.field "body" (Json.list (Json.lazy (\_ -> decodeTemplate))))
I got the decoder to compile, but only by using oneOf. Is there a better
way to decode ADT's with multiple branches? Am I guaranteed to have the
decoders be tried in the order that they are put in the list?
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