Suppose I have
val dirty = List("a", "b", "a", "c")
Is there a list operation that returns “a”, “b”, “c”
Suppose I have val dirty = List(a, b, a, c) Is there a list
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Suppose I have
val dirty = List("a", "b", "a", "c")
Is there a list operation that returns “a”, “b”, “c”
Have a look at the ScalaDoc for Seq,
Update. Others have suggested using
Setrather thanList. That’s fine, but be aware that by default, theSetinterface doesn’t preserve element order. You may want to use a Set implementation that explicitly does preserve order, such as collection.mutable.LinkedHashSet.