[swift-users] Swift setup for different versions

[alex]

Hi,

I’m a Swift newbie, going through the Swift books (2.1 and 2.2). I’m a bit
confused and I’d appreciate your help with setting up a good environment.

1. I have Xcode 7.2.1 installed. This seems to correspond to Swift 2.1.1
which I assume is the stable version.

2. There are release snapshots for 2.2 available on swift.org.

Q2.1: can one run in parallel Swift 2.1.1 and 2.2 snapshots? If yes, what
setup do I need?

Q2.2: I read that 2.2 snapshots do not include the Package manager. Can it
be installed separately?

3. I’ve heard about the upcoming big 3.0 Swift version.

Q3.1: are there development snapshots available?

Q3.2: as above, can one run 2.1, 2.2, and 3.0 snapshots in parallel on the
same system? (if yes, please do include any links on how the setup looks
like)

thanks a lot for your help,

:- a
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