adding primitive overloads for DataCollector and ColumnDataHolder. Ad…

…ded set-overloads with tests to CDH too

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/ColumnDataHolder.kt

@@ -33,6 +33,40 @@ public interface ColumnDataHolder<T> : List<T> {
 
     public fun add(element: T)
 
+    public fun add(boolean: Boolean)
+
+    public fun add(byte: Byte)
+
+    public fun add(short: Short)
+
+    public fun add(int: Int)
+
+    public fun add(long: Long)
+
+    public fun add(float: Float)
+
+    public fun add(double: Double)
+
+    public fun add(char: Char)
+
+    public operator fun set(index: Int, value: T)
+
+    public operator fun set(index: Int, value: Boolean)
+
+    public operator fun set(index: Int, value: Byte)
+
+    public operator fun set(index: Int, value: Short)
+
+    public operator fun set(index: Int, value: Int)
+
+    public operator fun set(index: Int, value: Long)
+
+    public operator fun set(index: Int, value: Float)
+
+    public operator fun set(index: Int, value: Double)
+
+    public operator fun set(index: Int, value: Char)
+
     public fun canAddPrimitively(element: Any?): Boolean
 
     public val distinct: Lazy<Set<T>>

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/ColumnDataCollector.kt

@@ -24,6 +24,22 @@ internal interface DataCollector<T> {
 
     public fun add(value: T)
 
+    public fun add(element: Boolean)
+
+    public fun add(element: Byte)
+
+    public fun add(element: Short)
+
+    public fun add(element: Int)
+
+    public fun add(element: Long)
+
+    public fun add(element: Float)
+
+    public fun add(element: Double)
+
+    public fun add(element: Char)
+
     public fun toColumn(name: String): DataColumn<T>
 }
 
@@ -41,6 +57,22 @@ internal abstract class DataCollectorBase<T>(initCapacity: Int) : DataCollector<
         data.add(value)
     }
 
+    override fun add(element: Boolean) = data.add(element)
+
+    override fun add(element: Byte) = data.add(element)
+
+    override fun add(element: Short) = data.add(element)
+
+    override fun add(element: Int) = data.add(element)
+
+    override fun add(element: Long) = data.add(element)
+
+    override fun add(element: Float) = data.add(element)
+
+    override fun add(element: Double) = data.add(element)
+
+    override fun add(element: Char) = data.add(element)
+
     protected fun createColumn(name: String, type: KType): DataColumn<T> {
         val classifier = type.classifier as KClass<*>
         if (classifier.isSubclassOf(DataFrame::class) && !hasNulls) {