#!/usr/bin/perl use strict; use if ( 1 ) , Time::HiRes => qw(time) ; $ ./903506.pl Bareword "Time::HiRes" not allowed while "strict subs" in use at ./903 +506.pl line 3. Execution of ./903506.pl aborted due to compilation errors. #### #!/usr/bin/perl use strict; use if ($^V gt v5.7.3), Time::HiRes::, qw(time); #### #!/usr/bin/perl use strict; use if $^V >= v5.7.3 => Time::HiRes:: => time => ();