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class A {
def f1(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = {
for (((((a, (b, (c, d))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // ok
}
def f2(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = {
for (((((a, (b, (c, (d1, d2)))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // not ok
}
def f3(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = {
for (((((a, (b, _)), es), fs), gs) <- x) yield (es ::: fs).mkString(", ") // ok
}
}
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