3 lines
295 B
Scala
3 lines
295 B
Scala
def findNeedles(needle: String, haystack: Seq[String]) = haystack.zipWithIndex.filter(_._1 == needle).map(_._2)
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def firstNeedle(needle: String, haystack: Seq[String]) = findNeedles(needle, haystack).head
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def lastNeedle(needle: String, haystack: Seq[String]) = findNeedles(needle, haystack).last
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