Jam*_*tle 0 scala list mutable map scala-collections
如何将地图转换为列表而不在scala中的列表中包含映射键?
val mp = collection.mutable.Map[Long, String]()
mp(0) = "val0"
mp(1) = "val1"
mp(2) = "val2"
mp.toList //I want: List("val0", "val1", "val2")
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