>perl -MO=Concise,-exec -e"$_ = q{abc};" 1 <0> enter 2 <;> nextstate(main 1 -e:1) v:{ 3 <$> const[PV "abc"] s 4 <#> gvsv[*_] s 5 <2> sassign vKS/2 6 <@> leave[1 ref] vKP/REFC -e syntax OK