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Postings from February 2005
Rod Adams wrote: > I also find the following incredibly disturbing: > > >perl6 -e "$x = 'cat'|'dog'; say $x;" > dog > cat That would be disturbing if that's what happened. C<say @what> is just a shorthand for C<print @what, "\n">. So saying a junction is the same as printing it, which is a run-time error. > Can a junction hold values of completely different types, or just > different values of the same type? Junctions are values. They don't "hold" anything. Can a junction have values of different types? Yes. > If evaluation of one value of a junction causes an error, is $! now a > junction as well? See Larry's response. My response it that, by default, if: foo(2) and foo(3) each throw an exception, then: foo(1|2|3); throws an (single, non-junctive) exception. Which exception gets thrown is indeterminate, since the ordering of a junction, and hence of the autothreading of a junction, is indeterminate. DamianThread Previous | Thread Next