Hello,
I'm currently stuck trying to decode one portion of my model. The problem I
have is the following:
The portion I'm trying to decode looks like this:
{
...
filter_type: "int",
data: {
predicate: "less than",
operand: 10
}
...
}
filter type can be one of (int,text,enum etc...)
I want to apply different decoders to data depending on the value of
filter_type because both the predicate and the operand vary depending on
it. Actually, even the operand type can vary depending on the combination
of filter_type and predicate (could be an int, a string, a list etc...).
In the end I'm trying to convert this json fragment into an ADT value. I've
already coded the ADT which contains the filter_type,predicate and operand
informations altogether however I can't find how to decode it from JSON.
Is there any way to change the decoder used on one or more fields based on
the value of another field ?
Thanks.
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