Soit le schéma suivant. Quelles instances sont valides ?

{
  "oneOf": [
    { "type": "object",
      "properties": { "type": { "const": "carte" },
                      "num": { "type": "string" } },
      "required": ["type", "num"],
      "additionalProperties": false },
    { "type": "object",
      "properties": { "type": { "const": "virement" },
                      "iban": { "type": "string" } },
      "required": ["type", "iban"],
      "additionalProperties": false }
  ]
}