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Break up large group of .combine() tests

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doub1ejack committed Oct 8, 2017
1 parent aa160c8 commit 242b703511d054ce67d04523d73749f6c7fdeadc
Showing with 9 additions and 7 deletions.
  1. +9 −7 src/main/scala/catslib/Semigroup.scala
@@ -45,25 +45,27 @@ object SemigroupSection
* guess how it works in the following examples:
*
*/
def semigroupCombine(
res0: Int,
res1: List[Int],
res2: Option[Int],
res3: Option[Int],
res4: Int) = {
def semigroupCombine(res0: Int, res1: List[Int], res2: Option[Int], res3: Option[Int]) = {
import cats.implicits._
Semigroup[Int].combine(1, 2) should be(res0)
Semigroup[List[Int]].combine(List(1, 2, 3), List(4, 5, 6)) should be(res1)
Semigroup[Option[Int]].combine(Option(1), Option(2)) should be(res2)
Semigroup[Option[Int]].combine(Option(1), None) should be(res3)
}
/** And now try a slightly more complex combination:
*/
def semigroupCombineComplex(res0: Int) = {
import cats.implicits._
Semigroup[Int Int]
.combine({ (x: Int)
x + 1
}, { (x: Int)
x * 10
})
.apply(6) should be(res4)
.apply(6) should be(res0)
}
/** Many of these types have methods defined directly on them,

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