(Swift) Explaining the Email FromName, FromAddress, and From Properties

This example explains the email object's FromName, FromAddress, and From properties.

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func chilkatTest() {
    // The email's FROM name and address can be set in several ways.
    // It can include an optional friendly name (which is just a description),
    // and it must include an address.

    // For example:
    let email1 = CkoEmail()!
    email1.subject = "test"
    email1.body = "test"

    email1.fromName = "Joe Sample"
    email1.fromAddress = "joe.sample@example.com"

    // the From property contains both the FromName and FromAddress
    // This produces the following output:
    // From: "Joe Sample" <joe.sample@example.com>
    print("From: \(email1.from!)")
    print("--------------------------------------------------")

    // Examine the MIME of the email:
    print("\(email1.getMime()!)")
    print("--------------------------------------------------")

    // Output is:

    // 	MIME-Version: 1.0
    // 	Date: Wed, 16 Nov 2016 12:32:13 -0600
    // 	Message-ID: <02B461C6D12FA6686C3151A649ED8D5BBFBE0721@CHILKAT13>
    // 	Content-Type: text/plain
    // 	Content-Transfer-Encoding: 7bit
    // 	X-Priority: 3 (Normal)
    // 	Subject: test
    // 	From: "Joe Sample" <joe.sample@example.com>
    // 	CKX-Bounce-Address: joe.sample@example.com
    // 
    // 	test

    // --------------------------------------------
    // Alternatively, the From property can be set, and this 
    // implicitly sets the FromName and FromAddress properties.

    let email2 = CkoEmail()!
    email2.from = "Joe Sample <joe.sample@example.com>"

    print("FromName: \(email2.fromName!)")
    print("FromAddress: \(email2.fromAddress!)")
    print("--------------------------------------------------")

    print("\(email2.getMime()!)")

}