Hi Charles, charles_da...@fws.gov wrote: > w := [] > w1 := w[1]
This assignment fails (silently), leaving w1 assigned &null. > It turns out that > > s := "a" || w[1] # fails Fails in the same way that "w1 := w[1]" fails (no value for that subscript). > While, > > s := "a" || w1 # terminates the program with a runtime error. Since wl has value &null, this is the same as: s := "a" || &null and &null cannot be converted to a string for the concatenation. -- Steve Wampler -- swamp...@noao.edu The gods that smiled on your birth are now laughing out loud. ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ Unicon-group mailing list Unicon-group@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/unicon-group
