Scala中的#操作符是什么意思?
我在以下博客中看到此代码:Scala中的Type-Level Programming: // define the abstract types and bounds trait Recurse { type Next <: Recurse // this is the recursive function definition type X[R <: Recurse] <: Int } // implementation trait RecurseA extends Recurse { type Next = RecurseA // this is the implementation type X[R <: Recurse] …