New samples from kotlin-web-site

src/test/resources/test-compile-data/jvm/kotlin-web-site/arrays/23031df00534726bea3f25bea3d46032.12.kt

@@ -1,6 +1,6 @@
 fun main() {
 //sampleStart
-    // Creates an array of Int of size 5 with values
+    // Creates an array of Int of size 5 with the values initialized to zero
     val exampleArray = IntArray(5)
     println(exampleArray.joinToString())
     // 0, 0, 0, 0, 0

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.10.kt

@@ -1,7 +1,10 @@
 fun main() {
 //sampleStart
-    var x = 5 // `Int` type is inferred
+    // Declares the variable x and initializes it with the value of 5
+    var x: Int = 5
+    // Reassigns a new value of 6 to the variable x
     x += 1
+    // 6
 //sampleEnd
-    println("x = $x")
+    println(x)
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.11.kt

@@ -1,15 +1,8 @@
+fun main() {
 //sampleStart
-val PI = 3.14
-var x = 0
-
-fun incrementX() { 
-    x += 1 
-}
+    // Declares the variable x with the value of 5;`Int` type is inferred
+    val x = 5
+    // 5
 //sampleEnd
-
-fun main() {
-    println("x = $x; PI = $PI")
-    incrementX()
-    println("incrementX()")
-    println("x = $x; PI = $PI")
+    println(x)
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.12.kt

@@ -1,9 +1,14 @@
-class Rectangle(val height: Double, val length: Double) {
-    val perimeter = (height + length) * 2 
-}
 fun main() {
 //sampleStart
-    val rectangle = Rectangle(5.0, 2.0)
-    println("The perimeter is ${rectangle.perimeter}")
+    // Initializes the variable x at the moment of declaration; type is not required
+    val x = 5
+    // Declares the variable c without initialization; type is required
+    val c: Int
+    // Initializes the variable c after declaration 
+    c = 3
+    // 5 
+    // 3
 //sampleEnd
+    println(x)
+    println(c)
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.13.kt

@@ -1,12 +1,18 @@
-fun main() {
 //sampleStart
-    var a = 1
-    // simple name in template:
-    val s1 = "a is $a" 
-
-    a = 2
-    // arbitrary expression in template:
-    val s2 = "${s1.replace("is", "was")}, but now is $a"
+val PI = 3.14
+var x = 0
+
+fun incrementX() {
+    x += 1
+}
+// x = 0; PI = 3.14
+// incrementX()
+// x = 1; PI = 3.14
 //sampleEnd
-    println(s2)
+
+fun main() {
+    println("x = $x; PI = $PI")
+    incrementX()
+    println("incrementX()")
+    println("x = $x; PI = $PI")
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.14.kt

@@ -1,13 +1,7 @@
-//sampleStart
-fun maxOf(a: Int, b: Int): Int {
-    if (a > b) {
-        return a
-    } else {
-        return b
-    }
+class Rectangle(val height: Double, val length: Double) {
+    val perimeter = (height + length) * 2 
 }
-//sampleEnd
-
 fun main() {
-    println("max of 0 and 42 is ${maxOf(0, 42)}")
+    val rectangle = Rectangle(5.0, 2.0)
+    println("The perimeter is ${rectangle.perimeter}")
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.15.kt

@@ -1,7 +1,12 @@
+fun main() {
 //sampleStart
-fun maxOf(a: Int, b: Int) = if (a > b) a else b
+    var a = 1
+    // simple name in template:
+    val s1 = "a is $a" 
+
+    a = 2
+    // arbitrary expression in template:
+    val s2 = "${s1.replace("is", "was")}, but now is $a"
 //sampleEnd
-
-fun main() {
-    println("max of 0 and 42 is ${maxOf(0, 42)}")
+    println(s2)
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.16.kt

@@ -1,8 +1,13 @@
-fun main() {
 //sampleStart
-    val items = listOf("apple", "banana", "kiwifruit")
-    for (item in items) {
-        println(item)
+fun maxOf(a: Int, b: Int): Int {
+    if (a > b) {
+        return a
+    } else {
+        return b
     }
+}
 //sampleEnd
+
+fun main() {
+    println("max of 0 and 42 is ${maxOf(0, 42)}")
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.17.kt

@@ -1,8 +1,7 @@
-fun main() {
 //sampleStart
-    val items = listOf("apple", "banana", "kiwifruit")
-    for (index in items.indices) {
-        println("item at $index is ${items[index]}")
-    }
+fun maxOf(a: Int, b: Int) = if (a > b) a else b
 //sampleEnd
+
+fun main() {
+    println("max of 0 and 42 is ${maxOf(0, 42)}")
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.18.kt

@@ -1,10 +1,8 @@
 fun main() {
 //sampleStart
     val items = listOf("apple", "banana", "kiwifruit")
-    var index = 0
-    while (index < items.size) {
-        println("item at $index is ${items[index]}")
-        index++
+    for (item in items) {
+        println(item)
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.19.kt

@@ -1,18 +1,8 @@
+fun main() {
 //sampleStart
-fun describe(obj: Any): String =
-    when (obj) {
-        1          -> "One"
-        "Hello"    -> "Greeting"
-        is Long    -> "Long"
-        !is String -> "Not a string"
-        else       -> "Unknown"
+    val items = listOf("apple", "banana", "kiwifruit")
+    for (index in items.indices) {
+        println("item at $index is ${items[index]}")
     }
 //sampleEnd
-
-fun main() {
-    println(describe(1))
-    println(describe("Hello"))
-    println(describe(1000L))
-    println(describe(2))
-    println(describe("other"))
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.20.kt

@@ -1,9 +1,10 @@
 fun main() {
 //sampleStart
-    val x = 10
-    val y = 9
-    if (x in 1..y+1) {
-        println("fits in range")
+    val items = listOf("apple", "banana", "kiwifruit")
+    var index = 0
+    while (index < items.size) {
+        println("item at $index is ${items[index]}")
+        index++
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.21.kt

@@ -1,12 +1,18 @@
-fun main() {
 //sampleStart
-    val list = listOf("a", "b", "c")
-
-    if (-1 !in 0..list.lastIndex) {
-        println("-1 is out of range")
-    }
-    if (list.size !in list.indices) {
-        println("list size is out of valid list indices range, too")
+fun describe(obj: Any): String =
+    when (obj) {
+        1          -> "One"
+        "Hello"    -> "Greeting"
+        is Long    -> "Long"
+        !is String -> "Not a string"
+        else       -> "Unknown"
     }
 //sampleEnd
+
+fun main() {
+    println(describe(1))
+    println(describe("Hello"))
+    println(describe(1000L))
+    println(describe(2))
+    println(describe("other"))
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.22.kt

@@ -1,7 +1,9 @@
 fun main() {
 //sampleStart
-    for (x in 1..5) {
-        print(x)
+    val x = 10
+    val y = 9
+    if (x in 1..y+1) {
+        println("fits in range")
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.23.kt

@@ -1,11 +1,12 @@
 fun main() {
 //sampleStart
-    for (x in 1..10 step 2) {
-        print(x)
+    val list = listOf("a", "b", "c")
+
+    if (-1 !in 0..list.lastIndex) {
+        println("-1 is out of range")
     }
-    println()
-    for (x in 9 downTo 0 step 3) {
-        print(x)
+    if (list.size !in list.indices) {
+        println("list size is out of valid list indices range, too")
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.24.kt

@@ -1,8 +1,7 @@
 fun main() {
-    val items = listOf("apple", "banana", "kiwifruit")
 //sampleStart
-    for (item in items) {
-        println(item)
+    for (x in 1..5) {
+        print(x)
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.25.kt

@@ -1,9 +1,11 @@
 fun main() {
-    val items = setOf("apple", "banana", "kiwifruit")
 //sampleStart
-    when {
-        "orange" in items -> println("juicy")
-        "apple" in items -> println("apple is fine too")
+    for (x in 1..10 step 2) {
+        print(x)
+    }
+    println()
+    for (x in 9 downTo 0 step 3) {
+        print(x)
     }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.26.kt

@@ -1,10 +1,8 @@
 fun main() {
+    val items = listOf("apple", "banana", "kiwifruit")
 //sampleStart
-    val fruits = listOf("banana", "avocado", "apple", "kiwifruit")
-    fruits
-      .filter { it.startsWith("a") }
-      .sortedBy { it }
-      .map { it.uppercase() }
-      .forEach { println(it) }
+    for (item in items) {
+        println(item)
+    }
 //sampleEnd
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.27.kt

@@ -1,25 +1,9 @@
-fun parseInt(str: String): Int? {
-    return str.toIntOrNull()
-}
-
+fun main() {
+    val items = setOf("apple", "banana", "kiwifruit")
 //sampleStart
-fun printProduct(arg1: String, arg2: String) {
-    val x = parseInt(arg1)
-    val y = parseInt(arg2)
-
-    // Using `x * y` yields error because they may hold nulls.
-    if (x != null && y != null) {
-        // x and y are automatically cast to non-nullable after null check
-        println(x * y)
+    when {
+        "orange" in items -> println("juicy")
+        "apple" in items -> println("apple is fine too")
     }
-    else {
-        println("'$arg1' or '$arg2' is not a number")
-    }    
-}
 //sampleEnd
-
-fun main() {
-    printProduct("6", "7")
-    printProduct("a", "7")
-    printProduct("a", "b")
 }

src/test/resources/test-compile-data/jvm/kotlin-web-site/basic-syntax/5ec261721162729866abc1e8f7293ef4.28.kt

@@ -1,29 +1,10 @@
-fun parseInt(str: String): Int? {
-    return str.toIntOrNull()
-}
-
-fun printProduct(arg1: String, arg2: String) {
-    val x = parseInt(arg1)
-    val y = parseInt(arg2)
-
+fun main() {
 //sampleStart
-    // ...
-    if (x == null) {
-        println("Wrong number format in arg1: '$arg1'")
-        return
-    }
-    if (y == null) {
-        println("Wrong number format in arg2: '$arg2'")
-        return
-    }
-
-    // x and y are automatically cast to non-nullable after null check
-    println(x * y)
+    val fruits = listOf("banana", "avocado", "apple", "kiwifruit")
+    fruits
+      .filter { it.startsWith("a") }
+      .sortedBy { it }
+      .map { it.uppercase() }
+      .forEach { println(it) }
 //sampleEnd
-}
-
-fun main() {
-    printProduct("6", "7")
-    printProduct("a", "7")
-    printProduct("99", "b")
 }