Created
February 6, 2011 09:01
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| scala> val d: Validation[String, Int] = 12.success | |
| d: scalaz.Validation[String,Int] = Success(12) | |
| scala> val e: Validation[String, String] = "ghosh".success | |
| e: scalaz.Validation[String,String] = Success(ghosh) | |
| scala> (d, e) | |
| res18: (scalaz.Validation[String,Int], scalaz.Validation[String,String]) = (Success(12),Success(ghosh)) | |
| // I want to get Validation[String, (Int, Int)] out of this. The closest I could get is .. | |
| scala> (d, e).sequence[({type λ[α]=Validation[java.lang.String, α]})#λ, String] | |
| res38: scalaz.Validation[java.lang.String,(scalaz.Validation[String,Int], String)] = Success((Success(12),ghosh)) |
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Thanks .. I was tricked into thinking in terms of sequence .. Alexey also suggested the same on the ML ..