return fmt.Sprintf("%s_%d", *varVar, idx)
}

func mkPackageIdVar() string {
	return *varVar + "P"
}

func mkMetaVar() string {
	return *varVar + "M"
}

func mkPackageIdExpression() string {
	ppath := pkgconfig.PkgPath
	if hcid := coverage.HardCodedPkgID(ppath); hcid != -1 {
		return fmt.Sprintf("uint32(%d)", uint32(hcid))
	}
	return mkPackageIdVar()
}