在沒有地圖鍵的Scala中將地圖轉換爲列表？

Question

如何將地圖轉換爲列表而不將地圖關鍵字包含在scala列表中？

val mp = collection.mutable.Map[Long, String]() 
mp(0) = "val0" 
mp(1) = "val1" 
mp(2) = "val2" 
mp.toList //I want: List("val0", "val1", "val2") 

Answer 1

您可能正在尋找

mp.values.toList