Re: [Savonet-users] "Transition" documentation

[David B. <dav...@gm...>]

Ah, fallback([]) with an empty list is one way to define a source that
will always fail to produce anything. That can be used sometimes,
though not often. It is used for example in:
  def once(s)
    sequence([s,fail()])
  end
This is a function that takes a source and returns a source that will
relay the first track of the initial source, but become available
after it. The once() function is useful in transitions, to produce
only one jingle from a jingles source.

That was short, but I hope it helped,
-- 
David