Function evaluate_data_value_from_json_value 

pub fn evaluate_data_value_from_json_value(
    value: Value,
) -> Result<Option<EvaluateDataValue>, Error>

Parse one JSON value into a EvaluateDataValue. JSON null means omit: Ok(None). A null list item is a request error: a list has no unsupplied row.

JSON numbers at any depth are a request error: wire JSON has no exact native type.