DB<1> ($blue, $red) = qw / b r/;
DB<2> say ${$_} for qw /blue red/;
b
r
####
$ perl -Mstrict -E 'our ($blue, $red) = qw / b r/; say ${$_} for qw /blue red/;'
Can't use string ("blue") as a SCALAR ref while "strict refs" in use at -e line 1.
####
DB<3> say ${ "bl" . "ue"};
b