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JolanrensenJolanrensen
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Merge pull request #132 from JetBrains/rdd-related-helpers
Rdd related helpers
2 parents 0acd3e2 + bcf99b8 commit 165c1b0

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-31
lines changed

7 files changed

+151
-31
lines changed

‎examples/pom-3.2_2.12.xml‎

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@@ -24,6 +24,11 @@
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<artifactId>spark-sql_${scala.compat.version}</artifactId>
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<version>${spark3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.spark</groupId>
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<artifactId>spark-streaming_${scala.compat.version}</artifactId>
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<version>${spark3.version}</version>
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</dependency>
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</dependencies>
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<build>

‎kotlin-spark-api/3.2/pom_2.12.xml‎

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<version>${spark3.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.spark</groupId>
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<artifactId>spark-streaming_${scala.compat.version}</artifactId>
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<version>${spark3.version}</version>
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<scope>provided</scope>
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</dependency>
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<!-- Test dependencies -->
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<dependency>

‎kotlin-spark-api/3.2/src/main/kotlin/org/jetbrains/kotlinx/spark/api/ApiV1.kt‎

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@@ -23,9 +23,10 @@ package org.jetbrains.kotlinx.spark.api
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import org.apache.hadoop.shaded.org.apache.commons.math3.exception.util.ArgUtils
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import org.apache.spark.SparkContext
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import org.apache.spark.api.java.JavaSparkContext
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import org.apache.spark.api.java.*
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import org.apache.spark.api.java.function.*
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import org.apache.spark.broadcast.Broadcast
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import org.apache.spark.rdd.RDD
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import org.apache.spark.sql.*
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import org.apache.spark.sql.Encoders.*
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import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder
@@ -154,6 +155,18 @@ inline fun <reified T> SparkSession.dsOf(vararg t: T): Dataset<T> =
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inline fun <reified T> List<T>.toDS(spark: SparkSession): Dataset<T> =
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spark.createDataset(this, encoder<T>())
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/**
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* Utility method to create dataset from RDD
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*/
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inline fun <reified T> RDD<T>.toDS(spark: SparkSession): Dataset<T> =
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spark.createDataset(this, encoder<T>())
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/**
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* Utility method to create dataset from JavaRDD
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*/
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inline fun <reified T> JavaRDDLike<T, *>.toDS(spark: SparkSession): Dataset<T> =
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spark.createDataset(this.rdd(), encoder<T>())
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/**
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* Main method of API, which gives you seamless integration with Spark:
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* It creates encoder for any given supported type T

‎kotlin-spark-api/3.2/src/main/kotlin/org/jetbrains/kotlinx/spark/api/SparkHelper.kt‎

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@@ -20,6 +20,11 @@
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package org.jetbrains.kotlinx.spark.api
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import org.apache.spark.SparkConf
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import org.apache.spark.api.java.JavaRDD
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import org.apache.spark.api.java.JavaRDDLike
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import org.apache.spark.api.java.JavaSparkContext
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import org.apache.spark.rdd.RDD
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import org.apache.spark.sql.Dataset
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import org.apache.spark.sql.SparkSession.Builder
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import org.apache.spark.sql.UDFRegistration
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import org.jetbrains.kotlinx.spark.api.SparkLogLevel.ERROR
@@ -78,18 +83,38 @@ inline fun withSpark(builder: Builder, logLevel: SparkLogLevel = ERROR, func: KS
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KSparkSession(this).apply {
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sparkContext.setLogLevel(logLevel)
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func()
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spark.stop()
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}
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}
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.also { it.stop() }
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}
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/**
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* Wrapper for spark creation which copies params from [sparkConf].
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*
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* @param sparkConf Sets a list of config options based on this.
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* @param logLevel Control our logLevel. This overrides any user-defined log settings.
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* @param func function which will be executed in context of [KSparkSession] (it means that `this` inside block will point to [KSparkSession])
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*/
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@JvmOverloads
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inline fun withSpark(sparkConf: SparkConf, logLevel: SparkLogLevel = ERROR, func: KSparkSession.() -> Unit) {
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withSpark(
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builder = SparkSession.builder().config(sparkConf),
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logLevel = logLevel,
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func = func,
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)
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}
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/**
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* This wrapper over [SparkSession] which provides several additional methods to create [org.apache.spark.sql.Dataset]
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*/
89-
@Suppress("EXPERIMENTAL_FEATURE_WARNING", "unused")
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inline class KSparkSession(val spark: SparkSession) {
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class KSparkSession(val spark: SparkSession) {
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val sc: JavaSparkContext by lazy { JavaSparkContext(spark.sparkContext) }
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inline fun <reified T> List<T>.toDS() = toDS(spark)
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inline fun <reified T> Array<T>.toDS() = spark.dsOf(*this)
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inline fun <reified T> dsOf(vararg arg: T) = spark.dsOf(*arg)
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inline fun <reified T> RDD<T>.toDS() = toDS(spark)
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inline fun <reified T> JavaRDDLike<T, *>.toDS() = toDS(spark)
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val udf: UDFRegistration get() = spark.udf()
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}

‎kotlin-spark-api/3.2/src/main/kotlin/org/jetbrains/kotlinx/spark/api/VarArities.kt‎

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@@ -22,32 +22,34 @@
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*/
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package org.jetbrains.kotlinx.spark.api
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data class Arity1<T1>(val _1: T1)
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data class Arity2<T1, T2>(val _1: T1, val _2: T2)
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data class Arity3<T1, T2, T3>(val _1: T1, val _2: T2, val _3: T3)
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data class Arity4<T1, T2, T3, T4>(val _1: T1, val _2: T2, val _3: T3, val _4: T4)
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data class Arity5<T1, T2, T3, T4, T5>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5)
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data class Arity6<T1, T2, T3, T4, T5, T6>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6)
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data class Arity7<T1, T2, T3, T4, T5, T6, T7>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7)
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data class Arity8<T1, T2, T3, T4, T5, T6, T7, T8>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8)
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data class Arity9<T1, T2, T3, T4, T5, T6, T7, T8, T9>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9)
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data class Arity10<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10)
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data class Arity11<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11)
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data class Arity12<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12)
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data class Arity13<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13)
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data class Arity14<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14)
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data class Arity15<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15)
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data class Arity16<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16)
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data class Arity17<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17)
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data class Arity18<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18)
43-
data class Arity19<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19)
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data class Arity20<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20)
45-
data class Arity21<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21)
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data class Arity22<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22)
47-
data class Arity23<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23)
48-
data class Arity24<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24)
49-
data class Arity25<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24, val _25: T25)
50-
data class Arity26<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24, val _25: T25, val _26: T26)
25+
import java.io.Serializable
26+
27+
data class Arity1<T1>(val _1: T1): Serializable
28+
data class Arity2<T1, T2>(val _1: T1, val _2: T2): Serializable
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data class Arity3<T1, T2, T3>(val _1: T1, val _2: T2, val _3: T3): Serializable
30+
data class Arity4<T1, T2, T3, T4>(val _1: T1, val _2: T2, val _3: T3, val _4: T4): Serializable
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data class Arity5<T1, T2, T3, T4, T5>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5): Serializable
32+
data class Arity6<T1, T2, T3, T4, T5, T6>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6): Serializable
33+
data class Arity7<T1, T2, T3, T4, T5, T6, T7>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7): Serializable
34+
data class Arity8<T1, T2, T3, T4, T5, T6, T7, T8>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8): Serializable
35+
data class Arity9<T1, T2, T3, T4, T5, T6, T7, T8, T9>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9): Serializable
36+
data class Arity10<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10): Serializable
37+
data class Arity11<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11): Serializable
38+
data class Arity12<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12): Serializable
39+
data class Arity13<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13): Serializable
40+
data class Arity14<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14): Serializable
41+
data class Arity15<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15): Serializable
42+
data class Arity16<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16): Serializable
43+
data class Arity17<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17): Serializable
44+
data class Arity18<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18): Serializable
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data class Arity19<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19): Serializable
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data class Arity20<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20): Serializable
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data class Arity21<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21): Serializable
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data class Arity22<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22): Serializable
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data class Arity23<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23): Serializable
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data class Arity24<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24): Serializable
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data class Arity25<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24, val _25: T25): Serializable
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data class Arity26<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26>(val _1: T1, val _2: T2, val _3: T3, val _4: T4, val _5: T5, val _6: T6, val _7: T7, val _8: T8, val _9: T9, val _10: T10, val _11: T11, val _12: T12, val _13: T13, val _14: T14, val _15: T15, val _16: T16, val _17: T17, val _18: T18, val _19: T19, val _20: T20, val _21: T21, val _22: T22, val _23: T23, val _24: T24, val _25: T25, val _26: T26): Serializable
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fun <T1> c(_1: T1) = Arity1(_1)
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fun <T1, T2> c(_1: T1, _2: T2) = Arity2(_1, _2)
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fun <T1, T2, T3> c(_1: T1, _2: T2, _3: T3) = Arity3(_1, _2, _3)

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