Will McQueen
Posts: 3
Nickname: will608
Registered: Jul, 2006
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BigInteger Example -- getting error
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Posted: Jul 18, 2009 5:28 AM
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Hi,
From page 6, I start typing-up the factorial example into the scala interpreter:
import java.math.BigInteger
def factorial(x: BigInteger): BigInteger =
if (x == BigInteger.ZERO)
...but then I can't proceed any further, because an error is produced:
<console>:6: error: type mismatch;
found : Unit
required: java.math.BigInteger
if (x == BigInteger.ZERO)
^
Version I'm using:
W2.7.5.final (Java HotSpot(TM) Client VM, Java 1.6.0_14)
[Windows XP Pro]
Am I doing something wrong?
Thank you.
Cheers,
Will
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