Formatting

src/i_introduction/_5_String_Templates/n05StringTemplates.kt

@@ -4,15 +4,15 @@ import util.TODO
 import util.doc5
 
 fun example1(a: Any, b: Any) =
-        "This is some text in which variables ($a, $b) appear."
+    "This is some text in which variables ($a, $b) appear."
 
 fun example2(a: Any, b: Any) =
-        "You can write it in a Java way as well. Like this: " + a + ", " + b + "!"
+    "You can write it in a Java way as well. Like this: " + a + ", " + b + "!"
 
 fun example3(c: Boolean, x: Int, y: Int) = "Any expression can be used: ${if (c) x else y}"
 
 fun example4() =
-        """
+    """
 You can use raw strings to write multiline text.
 There is no escaping here, so raw strings are useful for writing regex patterns,
 you don't need to escape a backslash by a backslash.

src/i_introduction/_7_Nullable_Types/n07NullableTypes.kt

@@ -23,13 +23,13 @@ fun todoTask7(client: Client?, message: String?, mailer: Mailer): Nothing = TODO
 )
 
 fun sendMessageToClient(
-        client: Client?, message: String?, mailer: Mailer
+    client: Client?, message: String?, mailer: Mailer
 ) {
     todoTask7(client, message, mailer)
 }
 
-class Client (val personalInfo: PersonalInfo?)
-class PersonalInfo (val email: String?)
+class Client(val personalInfo: PersonalInfo?)
+class PersonalInfo(val email: String?)
 
 interface Mailer {
     fun sendMessage(email: String, message: String)

src/i_introduction/_8_Smart_Casts/n08SmartCasts.kt

@@ -6,14 +6,15 @@ import util.doc8
 // 'sealed' modifier restricts the type hierarchy:
 // all the subclasses must be declared in the same file
 sealed class Expr
+
 class Num(val value: Int) : Expr()
 class Sum(val left: Expr, val right: Expr) : Expr()
 
 fun eval(e: Expr): Int =
-        when (e) {
-            is Num -> todoTask8(e)
-            is Sum -> todoTask8(e)
-        }
+    when (e) {
+        is Num -> todoTask8(e)
+        is Sum -> todoTask8(e)
+    }
 
 fun todoTask8(expr: Expr): Nothing = TODO(
     """

src/ii_collections/n16FlatMap.kt

@@ -7,12 +7,14 @@ fun example() {
     result == listOf('a', 'b', 'c', '1', '2')
 }
 
-val Customer.orderedProducts: Set<Product> get() {
-    // Return all products this customer has ordered
-    todoCollectionTask()
-}
+val Customer.orderedProducts: Set<Product>
+    get() {
+        // Return all products this customer has ordered
+        todoCollectionTask()
+    }
 
-val Shop.allOrderedProducts: Set<Product> get() {
-    // Return all products that were ordered by at least one customer
-    todoCollectionTask()
-}
+val Shop.allOrderedProducts: Set<Product>
+    get() {
+        // Return all products that were ordered by at least one customer
+        todoCollectionTask()
+    }

src/ii_collections/n22Fold.kt

@@ -8,14 +8,13 @@ fun example9() {
 // The same as
 fun whatFoldDoes(): Int {
     var result = 1
-    listOf(1, 2, 3, 4).forEach { element -> result = element * result}
+    listOf(1, 2, 3, 4).forEach { element -> result = element * result }
     return result
 }
 
 fun Shop.getSetOfProductsOrderedByEachCustomer(): Set<Product> {
     // Return the set of products that were ordered by each of the customers
-    return customers.fold(allOrderedProducts, {
-        orderedByAll, customer ->
+    return customers.fold(allOrderedProducts, { orderedByAll, customer ->
         todoCollectionTask()
     })
 }

src/ii_collections/n24ExtensionsOnCollections.kt

@@ -8,7 +8,7 @@ fun todoTask24(): Nothing = TODO(
         The function should do the same as '_24_JavaCode.doSomethingStrangeWithCollection'.
         Replace all invocations of 'todoTask24()' with the appropriate code.
     """,
-        references = { c: Collection<String> -> _24_JavaCode().doSomethingStrangeWithCollection(c) }
+    references = { c: Collection<String> -> _24_JavaCode().doSomethingStrangeWithCollection(c) }
 )
 
 fun doSomethingStrangeWithCollection(collection: Collection<String>): Collection<String>? {

src/ii_collections/todoUtil.kt

@@ -3,10 +3,10 @@ package ii_collections
 import util.TODO
 
 fun todoCollectionTask(): Nothing = TODO(
-        """
+    """
            Common task for working with collections.
            Look through the Shop API, which all the tasks are using.
            Each individual task is described in the function name and the comment.
         """,
-        references = { shop: Shop -> shop.customers }
+    references = { shop: Shop -> shop.customers }
 )

src/iii_conventions/MyDateUtil.kt

@@ -1,6 +1,6 @@
 package iii_conventions
 
-import iii_conventions.TimeInterval.*
+import iii_conventions.TimeInterval.DAY
 import java.util.*
 
 fun MyDate.nextDay() = addTimeIntervals(DAY, 1)

src/iii_conventions/n28ForLoop.kt

@@ -4,18 +4,22 @@ import util.TODO
 import util.doc28
 
 fun iterateOverCollection(collection: Collection<Int>) {
-    for (element in collection) {}
+    for (element in collection) {
+    }
 }
 
 fun iterateOverString() {
     // You can iterate over anything that has an 'iterator' method, member or extension.
-    for (c in "abcd") {}
+    for (c in "abcd") {
+    }
     "abcd".iterator() //library extension method
 }
 
 fun iterateOverRange() {
-    for (i in 1..10) {}
-    for (c in 'a'..'z') {}
+    for (i in 1..10) {
+    }
+    for (c in 'a'..'z') {
+    }
 }
 
 fun todoTask28(): Nothing = TODO(

src/iii_conventions/n29OperatorsOverloading.kt

@@ -1,7 +1,7 @@
 package iii_conventions
 
-import util.TODO
 import iii_conventions.TimeInterval.*
+import util.TODO
 
 fun todoTask29(): Nothing = TODO(
     """

src/iv_properties/n35HowDelegatesWork.kt

@@ -16,7 +16,7 @@ fun todoTask35(): Nothing = TODO(
         Store only the time in milliseconds in 'timeInMillis' property.
         Use the extension functions 'MyDate.toMillis' and 'Long.toDate'.
     """,
-    references = { date: MyDate -> date.toMillis().toDate()}
+    references = { date: MyDate -> date.toMillis().toDate() }
 )
 
 class D {

src/util/kotlinUtil.kt

@@ -2,9 +2,9 @@ package util
 
 @Suppress("UNUSED_PARAMETER")
 fun TODO(
-        task: String,
-        documentation: Unit = Unit,
-        references: Function<Any?> = {}
+    task: String,
+    documentation: Unit = Unit,
+    references: Function<Any?> = {}
 ): Nothing = throw NotImplementedException(task)
 
 class NotImplementedException(message: String) : Exception(message)

src/v_builders/data.kt

@@ -20,4 +20,4 @@ val crocodile = Product("crocodile", 20000.2, 1)
 val cushion = Product("cushion", 131.0, 0)
 
 fun getProducts() = listOf(cactus, cake, camera, car, carrot, cellPhone, chimney, certificate, cigar, coffee, coffeeMaker,
-        cola, cranberry, crocs, crocodile, cushion)
+    cola, cranberry, crocs, crocodile, cushion)

src/v_builders/html.kt

@@ -14,40 +14,40 @@ open class Tag(val name: String) {
     }
 }
 
-class Attribute(val name : String, val value : String) {
+class Attribute(val name: String, val value: String) {
     override fun toString() = """$name="$value""""
 }
 
-fun <T: Tag> T.set(name: String, value: String?): T {
+fun <T : Tag> T.set(name: String, value: String?): T {
     if (value != null) {
         attributes.add(Attribute(name, value))
     }
     return this
 }
 
-fun <T: Tag> Tag.doInit(tag: T, init: T.() -> Unit): T {
+fun <T : Tag> Tag.doInit(tag: T, init: T.() -> Unit): T {
     tag.init()
     children.add(tag)
     return tag
 }
 
-class Html: Tag("html")
-class Table: Tag("table")
-class Center: Tag("center")
-class TR: Tag("tr")
-class TD: Tag("td")
-class Text(val text: String): Tag("b") {
+class Html : Tag("html")
+class Table : Tag("table")
+class Center : Tag("center")
+class TR : Tag("tr")
+class TD : Tag("td")
+class Text(val text: String) : Tag("b") {
     override fun toString() = text
 }
 
 fun html(init: Html.() -> Unit): Html = Html().apply(init)
 
-fun Html.table(init : Table.() -> Unit) = doInit(Table(), init)
-fun Html.center(init : Center.() -> Unit) = doInit(Center(), init)
+fun Html.table(init: Table.() -> Unit) = doInit(Table(), init)
+fun Html.center(init: Center.() -> Unit) = doInit(Center(), init)
 
-fun Table.tr(color: String? = null, init : TR.() -> Unit) = doInit(TR(), init).set("bgcolor", color)
+fun Table.tr(color: String? = null, init: TR.() -> Unit) = doInit(TR(), init).set("bgcolor", color)
 
-fun TR.td(color: String? = null, align : String = "left", init : TD.() -> Unit) = doInit(TD(), init).set("align", align).set("bgcolor", color)
+fun TR.td(color: String? = null, align: String = "left", init: TD.() -> Unit) = doInit(TD(), init).set("align", align).set("bgcolor", color)
 
-fun Tag.text(s : Any?) = doInit(Text(s.toString()), {})
+fun Tag.text(s: Any?) = doInit(Text(s.toString()), {})
 

src/v_builders/htmlDemo.kt

@@ -8,7 +8,7 @@ import javax.swing.SwingConstants.CENTER
 
 
 fun main(args: Array<String>) {
-    with (JFrame("Product popularity")) {
+    with(JFrame("Product popularity")) {
         setSize(600, 600)
         defaultCloseOperation = JFrame.EXIT_ON_CLOSE
         add(JScrollPane(JLabel(renderProductTable(), CENTER)))

src/v_builders/n37StringAndMapBuilders.kt

@@ -1,7 +1,6 @@
 package v_builders
 
 import util.TODO
-import java.util.*
 
 fun buildStringExample(): String {
     fun buildString(build: StringBuilder.() -> Unit): String {

src/v_builders/n39HtmlBuilders.kt

@@ -6,7 +6,7 @@ import v_builders.data.getProducts
 import v_builders.htmlLibrary.*
 
 fun getTitleColor() = "#b9c9fe"
-fun getCellColor(row: Int, column: Int) = if ((row + column) %2 == 0) "#dce4ff" else "#eff2ff"
+fun getCellColor(row: Int, column: Int) = if ((row + column) % 2 == 0) "#dce4ff" else "#eff2ff"
 
 fun todoTask39(): Nothing = TODO(
     """

src/v_builders/n40BuildersHowItWorks.kt

@@ -32,7 +32,7 @@ fun task40() = linkedMapOf<Int, Answer>(
     b. function declaration
     c. function invocation
  */
-        1 to insertAnswerHere(),
+    1 to insertAnswerHere(),
 
 /*
 2. In the Kotlin code
@@ -49,7 +49,7 @@ fun task40() = linkedMapOf<Int, Answer>(
   b. argument name
   c. argument value
  */
-        2 to insertAnswerHere(),
+    2 to insertAnswerHere(),
 
 /*
 3. The block
@@ -62,7 +62,7 @@ from the previous question is:
   c. something mysterious
 
  */
-        3 to insertAnswerHere(),
+    3 to insertAnswerHere(),
 
 /*
 4. For the code
@@ -84,5 +84,5 @@ which of the following is true:
                   }
             }
  */
-        4 to insertAnswerHere()
+    4 to insertAnswerHere()
 )

src/vi_generics/n41GenericFunctions.kt

@@ -13,10 +13,10 @@ fun task41(): Nothing = TODO(
         You should write a function that splits the collection into two collections given as arguments.
         The signature of the 'toCollection()' function from the standard library may help you.
     """,
-        references = { l: List<Int> ->
-            l.partition { it > 0 }
-            l.toCollection(HashSet<Int>())
-        }
+    references = { l: List<Int> ->
+        l.partition { it > 0 }
+        l.toCollection(HashSet<Int>())
+    }
 )
 
 fun List<String>.partitionWordsAndLines(): Pair<List<String>, List<String>> {