Kotlin中的中缀表达式 看一个例子: infix fun String.love(that: String): String = "${this}爱$that" infix fun String.but(other: String?): String = "${this},但是$other" fun main() { println("我" love "她" but "她不爱我") // => "我爱她,但是她不爱我" println("我" love "她" but "她" love "他") // => "我爱她,但是她爱他" } 怎么样,是不是特别像自然语言:)