Parsing drops extensions on primitives

[jmandel]

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Documenting a known issue: parsing FHIR resources with extensions on primitives silently drops the extensions. For example:

{
  "resourceType": "Patient",
  "gender": "male",
  "_gender": {
    "extension": [{
      "url": "http://test-extension",
      "valueString": "with extra data"
    }]
  }
}

[p2]

Yes, thanks! Also to have it documented: the Swift-FHIR framework now solves this by providing custom classes/structs for primitives. Those can handle extensions (and ids), as opposed to the native strings/numbers used by the Python client.