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object Test {
def byval[A](a: => A) = a
def closure[A](f: () => A) = f()
def f1(s: String) = {
var n = try { s.toInt } catch { case _: Throwable => 1 }
byval(n)
}
def f2(s: String) = {
var n = try { s.toInt } catch { case _: Throwable => 1 }
closure(() => n)
}
def main(args: Array[String]) = {
val sum = f1("12") + f2("the witch is dead")
assert(sum == 13)
}
}
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