Watchpoint 1: x
Starting program: 
Stopping in BEGIN ...
Watchpoint 1: x
  Old value: untyped variable
  New value: 0
main() at `dbugtypedre2.awk':1
1       BEGIN { x = 0; x = @/[a-z]/; x = "" }
Watchpoint 1: x
  Old value: 0
  New value: @/[a-z]/
main() at `dbugtypedre2.awk':1
1       BEGIN { x = 0; x = @/[a-z]/; x = "" }
Program exited normally with exit value: 0
EXIT CODE: 2