Dan Sugalski writes: > At 4:15 PM +0200 9/23/04, Leopold Toetsch wrote: > > return_cc() # 2) return via current continuation > > > >1) is only needed for special porposes, like passing the > >continuation on to a different place. The normal way to return from > >a sub will be 2) > > > >If that's in, access to C<P1> as a return continuation will be deprecated. > > Well... should we? We're still passing the return continuation *in* > in P1, unless you want to move it out and unconditionally make it a > parameter to invoke. Which is OK, but we should be up front.
What we'd really like is to get the call chain. That is, given a continuation, can we query it to see what the previous continuation was? Luke
