Add sample for text version of chunked

libraries/stdlib/common/src/generated/_Strings.kt

@@ -1456,7 +1456,7 @@ public inline fun CharSequence.sumByDouble(selector: (Char) -> Double): Double {
  * 
  * @param size the number of elements to take in each string, must be positive and can be greater than the number of elements in this char sequence.
  * 
- * @sample samples.collections.Collections.Transformations.chunked
+ * @sample samples.text.Strings.chunked
  */
 @SinceKotlin("1.2")
 public fun CharSequence.chunked(size: Int): List<String> {

libraries/stdlib/samples/test/samples/text/strings.kt

@@ -49,6 +49,15 @@ class Strings {
         assertPrints(withoutMargin2, "XYZ\nfoo\nbar")
     }
 
+    @Sample
+    fun chunked() {
+        val dnaFragment = "ATTCGCGGCCGCCAA"
+
+        val codons = dnaFragment.chunked(3)
+
+        assertPrints(codons, "[ATT, CGC, GGC, CGC, CAA]")
+    }
+
     @Sample
     fun chunkedTransform() {
         val codonTable = mapOf("ATT" to "Isoleucine", "CAA" to "Glutamine", "CGC" to "Arginine", "GGC" to "Glycine")

libraries/tools/kotlin-stdlib-gen/src/templates/Generators.kt

@@ -868,7 +868,8 @@ object Generators : TemplateGroupBase() {
             @param size the number of elements to take in each ${f.snapshotResult}, must be positive and can be greater than the number of elements in this ${f.collection}.
             """
         }
-        sample("samples.collections.Collections.Transformations.chunked")
+        specialFor(Iterables, Sequences) { sample("samples.collections.Collections.Transformations.chunked") }
+        specialFor(CharSequences) { sample("samples.text.Strings.chunked") }
         specialFor(Iterables) { returns("List<List<T>>") }
         specialFor(Sequences) { returns("Sequence<List<T>>") }
         specialFor(CharSequences) { returns("List<String>") }