Kotlin extension to add extras as pairs

Intent.kt

import android.content.Intent
import android.os.Bundle
import android.os.Parcelable
import java.io.Serializable

/**
 * Intent(context, MyActivity::class.java).withExtras(
 *      KEY_HOGE to "hoge",
 *      KEY_FOO to "foo"
 * )
 */
fun Intent.withExtras(vararg extras: Pair<String, Any?> = emptyArray()): Intent {
    val bundle = Bundle()

    for ((key, value) in extras) {
        when (value) {
            is Bundle            -> bundle.putBundle(key, value)
            is Byte              -> bundle.putByte(key, value)
            is ByteArray         -> bundle.putByteArray(key, value)
            is Char              -> bundle.putChar(key, value)
            is CharArray         -> bundle.putCharArray(key, value)
            is CharSequence      -> bundle.putCharSequence(key, value)
            is Float             -> bundle.putFloat(key, value)
            is FloatArray        -> bundle.putFloatArray(key, value)
            is Int               -> bundle.putInt(key, value)
            is IntArray          -> bundle.putIntArray(key, value)
            is Parcelable        -> bundle.putParcelable(key, value)
            is Serializable      -> bundle.putSerializable(key, value)
            is Short             -> bundle.putShort(key, value)
            is ShortArray        -> bundle.putShortArray(key, value)
            is String            -> bundle.putString(key, value)
            is Boolean           -> bundle.putBoolean(key, value)
            is BooleanArray      -> bundle.putBooleanArray(key, value)
            is Double            -> bundle.putDouble(key, value)
            is DoubleArray       -> bundle.putDoubleArray(key, value)
            is Long              -> bundle.putLong(key, value)
            is LongArray         -> bundle.putLongArray(key, value)
            null                 -> { }
            else                 -> throw IllegalArgumentException("Cannot put to bundle, unsupported type: ${value.javaClass}")
        }
    }

    return this.putExtras(bundle)
}