(Swift 3,4,5...) Create a JSON Array of Objects

Demonstrates how to create a JSON array of objects.

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func chilkatTest() {
    let arr = CkoJsonArray()!

    var success: Bool

    // Add an empty object at the 1st JSON array position.
    arr.addObject(at: 0)
    // Get the object we just created.
    var obj: CkoJsonObject? = arr.object(at: 0)
    obj!.update("Name", value: "Otto")
    obj!.updateInt("Age", value: 29)
    obj!.updateBool("Married", value: false)
    obj = nil

    // Add an empty object at the 2nd JSON array position.
    arr.addObject(at: 1)
    obj = arr.object(at: 1)
    obj!.update("Name", value: "Connor")
    obj!.updateInt("Age", value: 43)
    obj!.updateBool("Married", value: true)
    obj = nil

    // Add an empty object at the 3rd JSON array position.
    arr.addObject(at: 2)
    obj = arr.object(at: 2)
    obj!.update("Name", value: "Ramona")
    obj!.updateInt("Age", value: 34)
    obj!.updateBool("Married", value: true)
    obj = nil

    // Examine what we have:
    arr.emitCompact = false
    print("\(arr.emit()!)")

    // The output is:

    // [
    //   {
    //     "Name": "Otto",
    //     "Age": 29,
    //     "Married": false
    //   },
    //   {
    //     "Name": "Connor",
    //     "Age": 43,
    //     "Married": true
    //   },
    //   {
    //     "Name": "Ramona",
    //     "Age": 34,
    //     "Married": true
    //   }
    // ]

}