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我试图用“的foreach”迭代方法收集时使用咖喱功能:Scala:foreach中的curried函数?
object CurriedTest {
def main(args: Array[String]): Unit = {
fun("one")("two")("three")
(fun2)("three")
val lst = List ("x", "y", "z")
lst.foreach(fun2)
lst.foreach(fun("one"),("two") _)
}
def fun (a1: String) (a2:String) (a3: String) = {
println("a1: "+a1+" a2: "+a2+" a3: "+a3)
}
def fun2 = fun("one")("two") _
}
为什么线“lst.foreach(乐趣(‘1’),(‘二’)_)”不会编译并返回:
- too many arguments for method foreach: (f: String => B)Unit
错误消息?
谢谢! ))))))) – DarqMoth 2014-10-31 10:45:09