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decimals

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Stefan Wagner

Posts: 1
Nickname: unknown
Registered: Oct, 2010

decimals Posted: Oct 20, 2010 4:15 AM
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Programming in scala, Page 459, above Listing 20.12:

decimals is wrong / stackoverflows (and why private?)
private def decimals (n: Long): Int =
if (n == 1) 0 else 1 + decimals (n / 10)
// test it:
assert (decimals (7L) == 1)

def decimals (n: Long): Int =
if (n < 10) 1 else 1 + decimals (n / 10)

Topic: page 241, compile error (pre-print version of the 2nd edition) Previous Topic   Next Topic Topic: java program help
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