... a way to 'do' it without it...
I wouldn't say this is a better way (in fact, as kcott has pointed out below, if { ... } else { ... } syntax is better for what you seem to want than this or a do block), but it's a way:
c:\@Work\Perl\monks>perl -wMstrict -le
"my $x = 42;
;;
sub { print qq{Hello }; print qq{world!}; }->() if 7 < $x;
;;
43 > $x ? sub { print qq{Yes, }; print qq{it is!}; }->()
: sub { print qq{No, }; print qq{it is not!}; }->()
;
"
Hello
world!
Yes,
it is!
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