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import scala.Stream._
object consistencyError {
/* this gives an error:
Consistency problem compiling (virtual file)!
Trying to call method body%1(List(scala.collection.immutable.Stream[A])) with arguments (List(tp2, temp6, temp5))
case (l #:: ls, rs) => None
^
scala.tools.nsc.symtab.Types$TypeError: too many arguments for method body%1: (val rs: scala.collection.immutable.Stream[A])None.type
two errors found
vss(0) =
args = List(tp2, temp6, temp5)
vss(1) = value rs, value ls, value l
args = List(tp2, temp6, temp5)
targets(0) = FinalState(,scala.None)
targets(1) = FinalState(,scala.None)
labels(1) = method body%1
labels(0) = method body%0
bx = 1
label.tpe = (val rs: scala.collection.immutable.Stream[A])None.type
*/
def crash[A](lefts: Stream[A], rights: Stream[A]) = (lefts, rights) match {
case (Stream.Empty, Stream.Empty) => None
case (l #:: ls, rs) => None
}
// These work
// def works1[A](lefts: Stream[A]) = lefts match {
// case Stream.Empty => None
// case l #:: ls => None
// }
//
// def works2[A](lefts: Stream[A], rights: Stream[A]) = (lefts, rights) match {
// case (Stream.Empty, Stream.Empty) => None
// case (ls, rs) => None
// }
}
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