在Scala中格式化字符串的最佳方法是什么？

I was wondering what the best way to format a string would be in Scala. I'm reimplementing the toString method for a class, and it's a rather long and complex string. I thought about using String.format but it seems to have problems with Scala. Is there a native Scala function for doing this?I was wondering what the best way to format a s