{
    my $static;
    BEGIN { $static= "Initial value" }
    sub usesStatic {
        # ...
    }
}

##</code><code>##

sub usesStatic {
    my $static= "Initial value" BEGIN;
    # ...
}

##</code><code>##

sub usesStatic {
    my $static if 0;
    # ...
}

##</code><code>##

eval q{
    conditional code;
} if condition BEGIN;