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val answers = Iterator.from(10, 1).filter(
def isPalindrome(base: String): Boolean =
base == base.reverse
case class Foo(n: Integer) {
lazy val decimal: String = Integer.toString(n)
lazy val octal: String = Integer.toOctalString(n)
lazy val binary: String = Integer.toBinaryString(n)
def test(f: String => Boolean): Boolean =
f(decimal) && f(octal) && f(binary)
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