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Bohtvaroh

Blogger - Scalaz Motivation - 7

Bohtvaroh
Jun 1st, 2012
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  1. object StringMonoid extends Monoid[String] {
  2.   def mzero = ""
  3.   def mappend(a1: String, a2: String) = a1 + a2
  4. }
  5.  
  6. p(sum(List("lamb", "da"), StringMonoid)) // prints ###> lambda
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