fhir_melt.md
In fhircrackr: Handling HL7 FHIR® Resources in R

fhir_melt produces correct output

{
  "type": "list",
  "attributes": {
    "names": {
      "type": "character",
      "attributes": {},
      "value": ["resource_identifier", "address.city", "address.country", "address.type", "address.use"]
    },
    "row.names": {
      "type": "integer",
      "attributes": {},
      "value": [1, 2, 3, 4, 5, 6]
    },
    "class": {
      "type": "character",
      "attributes": {},
      "value": ["data.frame"]
    }
  },
  "value": [
    {
      "type": "integer",
      "attributes": {},
      "value": [1, 2, 2, 3, 3, 3]
    },
    {
      "type": "character",
      "attributes": {},
      "value": ["[1]Amsterdam", "[1]Rome", "[1]Stockholm", "[1]Berlin", null, "[1]London"]
    },
    {
      "type": "character",
      "attributes": {},
      "value": ["[1]Netherlands", "[1]Italy", "[1]Sweden", null, "[1]France", "[1]England"]
    },
    {
      "type": "character",
      "attributes": {},
      "value": ["[1]physical", "[1]physical", "[1]postal", null, "[1]postal", "[1]postal"]
    },
    {
      "type": "character",
      "attributes": {},
      "value": ["[1]home", "[1]home", "[1]work", "[1]home", null, "[1]work"]
    }
  ]
}