Swift

Get MessageSet IDs as a Comma-Separated String

Demonstrates the Chilkat MessageSet.ToCommaSeparatedStr method, which returns the unique identifiers as a comma-separated string in ascending numeric order. It takes no arguments; an empty set returns an empty string. This example inserts a few ids and prints them.

Background: This is the fully expanded, human-readable form — every identifier listed explicitly, such as 1,2,3,5. It is handy for logging or display. When you need the terse form that collapses consecutive runs into ranges (for example 1:3,5), use ToCompactString instead. Like the compact form, the returned string contains only the numeric values and not the HasUids setting.

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func chilkatTest() {
    //  Demonstrates the MessageSet.ToCommaSeparatedStr method, which returns the unique identifiers
    //  as a comma-separated string in ascending numeric order.  It takes no arguments.

    let msgSet = CkoMessageSet()!

    //  Build a set by inserting individual identifiers.  The insertion order does not matter;
    //  the identifiers are kept in ascending order and duplicates are ignored.
    msgSet.insertId(id: 3)
    msgSet.insertId(id: 1)
    msgSet.insertId(id: 2)
    msgSet.insertId(id: 5)

    //  Get the identifiers as a comma-separated string.
    var csv: String? = msgSet.toCommaSeparatedStr()
    print("\(csv!)")
    //  Output: 1,2,3,5

}