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object P extends Enumeration(0, "A", "B", "C") { val A, B, C = Value }
object Q extends Enumeration {
val A = Value("A")
val B = Value("B")
val C = Value("C")
}
object R extends Enumeration {
val A, B, C = Value
}
object Test extends Application {
assert(Some(P(0)) == P.valueOf("A"))
assert(Some(P.C) == P.valueOf("C"))
assert(None == P.valueOf("Q"))
assert(Some(Q(0)) == Q.valueOf("A"))
assert(Some(Q.C) == Q.valueOf("C"))
assert(None == Q.valueOf("Q"))
assert(None == R.valueOf("A"))
assert(None == R.valueOf("C"))
assert(None == R.valueOf("Q"))
}
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