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object Test {
def fact(x: Int): Int = {
if (x == 0)
1
else
x * fact(x - 1) // TODO: incorrect this line when x = 0
}
def main(args: Array[String]): Unit = {
val a = 1 + 2
val b = a * 9 // [break] [step: fact]
val c = fact(a) // [step: x == 0] [step: fact(x - 1)] [step: x == 0] [cont]
fact(0) // [break] [step: x == 0] [step: 1] [step: fact(x - 1)] [step: print]
print(c) // [cont]
}
}
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