Contents

object ETL {

    fun transform(old: Map<Int, Collection<Char>>): Map<Char, Int> {
        return old.flatMap { mapEntry ->
            mapEntry.value.map { word ->
                Pair(word.toLowerCase(), mapEntry.key)
            }
        }.toMap()
    }

}

Version data entries

126 entries across 126 versions & 1 rubygems

Version	Path
trackler-2.2.1.58	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt
trackler-2.2.1.57	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt
trackler-2.2.1.56	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt
trackler-2.2.1.55	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt
trackler-2.2.1.54	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt
trackler-2.2.1.53	tracks/kotlin/exercises/etl/.meta/src/reference/kotlin/ETL.kt