diff --git a/core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/inline/Inline.kt b/core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/inline/Inline.kt
index 3b179642ba..aaa6616ed1 100644
--- a/core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/inline/Inline.kt
+++ b/core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/inline/Inline.kt
@@ -22,6 +22,30 @@ fun main() {
     numbers.each { println(random * it) } // capturing the random variable
 }
 
+fun namedFunction(): Int {
+    return 42
+}
+
+fun anonymous(): () -> Int {
+    return fun(): Int {
+        return 42
+    }
+}
+
+inline fun <T> List<T>.eachIndexed(f: (Int, T) -> Unit) {
+    for (i in indices) {
+        f(i, this[i])
+    }
+}
+
+fun <T> List<T>.indexOf(x: T): Int {
+    eachIndexed { index, value ->
+        if (value == x) return index
+    }
+
+    return -1
+}
+
 /**
  * Generates a random number.
  */