# both branches are very long

sub wibble {
	return 1;
}

sub wobble {
	return 2;
}

sub sg {
	return COND ? wibble( @_ ) : wobble( @_ );
}

##</code><code>##

# one branch (symbolised here by `return 2`) is much shorter than the other

sub wibble {
	return 1;
}

sub sg {
	return wibble( @_ ) if COND;
	return 2;
}