这有效: scala> def test(name: String = "joe"): Boolean = true test: (name: String)Boolean
scala> def test(name: String = "joe"): Boolean = true
test: (name: String)Boolean
我希望这可以以同样的方式工作: scala> val test: String => Boolean = { (name: String = "joe") => true } <console>:1: error: ')' expected but '=' found.
scala> val test: String => Boolean = { (name: String = "joe") => true }
<console>:1: error: ')' expected but '=' found.
scala anonymous-function
anonymous-function ×1
scala ×1