This library is for Scala collections utility.
"sansyo(山椒)" means Japanese pepper.
add Resolver and Dependency in build.sbt
resolvers += "sonatype releases" at "https://oss.sonatype.org/content/repositories/releases/"
libraryDependency += "com.github.moc-yuto" %% "sansyo" % "0.2.0"filledOrElse
import com.github.mocyuto.SeqUtils._
val seq = Seq(1,2,3)
val emptySeq = Seq()
seq.filledOrElse(Seq(0)) // Seq(1,2,3)
emptySeq.filledOrElse(Seq(0)) // Seq(0)
partitionMap
import com.github.mocyuto.SeqUtils._
val seq = Seq(1,2,3)
seq.partitionMap(_ > 1)(a => a + 1) // (Seq(3, 4), Seq(2))
grouping
import com.github.mocyuto.MapUtils._
val seq = Seq((1,2),(2, 3),(1,3))
seq.grouping() // Map(2 -> Seq(3), 1 -> Seq(2, 3))