Minor improvements

Coroutines/Async vs Launch/Async/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 37
         placeholder_text: TODO()
   - name: test/Tests.kt
-    visible: false
+    visible: true

Coroutines/Async vs Launch/Launch/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 63
         placeholder_text: TODO()
   - name: test/output.txt
-    visible: false
+    visible: true

Coroutines/Async vs Launch/lesson-info.yaml

@@ -1,4 +1,4 @@
 content:
-  - Overview
+  - Introduction
   - Async
   - Launch

Coroutines/Cancelation of Coroutines/Cancelling coroutines/task-info.yaml

@@ -10,4 +10,4 @@ files:
         length: 47
         placeholder_text: ""
   - name: test/output.txt
-    visible: false
+    visible: true

Coroutines/Cancelation of Coroutines/Cooperative/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 18
         placeholder_text: i < 10
   - name: test/output.txt
-    visible: false
+    visible: true

Coroutines/Composing suspend functions/Concurrent/task-info.yaml

@@ -16,4 +16,4 @@ files:
         length: 8
         placeholder_text: ""
   - name: test/Tests.kt
-    visible: false
+    visible: true

Coroutines/CoroutineContext and Dispatchers/Combining context elements/task-info.yaml

@@ -10,4 +10,4 @@ files:
         length: 25
         placeholder_text: ""
   - name: test/output.txt
-    visible: false
+    visible: true

Coroutines/Exception-Handling/CoroutineExceptionHandler/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 98
         placeholder_text: TODO()
   - name: test/output.txt
-    visible: false
+    visible: true

Coroutines/Exception-Handling/lesson-info.yaml

@@ -1,3 +1,3 @@
 content:
-  - Overview
+  - Introduction
   - CoroutineExceptionHandler

Coroutines/Recap/lesson-info.yaml

@@ -1,2 +1,2 @@
 content:
-  - Overview
+  - Introduction

DSL/DSL toolbox/Create a DSL/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 917
         placeholder_text: // Implement your DSL here
   - name: test/output.txt
-    visible: false
+    visible: true

DSL/Infix functions/Define infix function/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 83
         placeholder_text: // Define the infix function "pow" here
   - name: test/Tests.kt
-    visible: false
+    visible: true

Delegation/Delegated properties/Create read-only delegate/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 331
         placeholder_text: class LazyPokemonProperty
   - name: test/output.txt
-    visible: false
+    visible: true

Delegation/Delegated properties/Create read-write delegate/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 476
         placeholder_text: class AuditedProperty
   - name: test/output.txt
-    visible: false
+    visible: true

Delegation/Delegated properties/Use delegated property/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 171
         placeholder_text: "   var name: String"
   - name: test/output.txt
-    visible: false
+    visible: true

Delegation/Delegates/Create a delegate/task-info.yaml

@@ -13,4 +13,4 @@ files:
         length: 39
         placeholder_text: TODO()
   - name: test/output.txt
-    visible: false
+    visible: true

Delegation/Delegates/Overwrite a delegate/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 152
         placeholder_text: class PeacefulPokemon
   - name: test/output.txt
-    visible: false
+    visible: true

Generics/Constraints/Specify multiple constraints/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 374
         placeholder_text: class Omniball
   - name: test/output.txt
-    visible: false
+    visible: true

Generics/Constraints/Specify single constraint/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 344
         placeholder_text: class Pokeball
   - name: test/output.txt
-    visible: false
+    visible: true

Generics/Generic functions/Create generic function/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 99
         placeholder_text: "fun getHealthiestPokemon() {}"
   - name: test/Tests.kt
-    visible: false
+    visible: true

Generics/Reified keyword/Use reified types/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 137
         placeholder_text: "fun filterByType(pokemons: List<Pokemon>)"
   - name: test/Tests.kt
-    visible: false
+    visible: true

Generics/Star projection/Using star-projection/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 110
         placeholder_text: "fun isInfoComplete(/* TODO */): Boolean"
   - name: test/Tests.kt
-    visible: false
+    visible: true

Generics/Variance/Create contravariant generic/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 103
         placeholder_text: class Pokeball
   - name: test/output.txt
-    visible: false
+    visible: true

Generics/Variance/Create covariant generic/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 89
         placeholder_text: class Pokeball
   - name: test/output.txt
-    visible: false
+    visible: true

Inline/Inline Classes/Inline classes vs Type Aliases/task.md

@@ -1,6 +1,6 @@
 # Inline Classes vs Type Aliases
 
-Both, tools introduce a new type and represent the underlying type.
+Both tools introduce a new type and represent the underlying type.
 Hence, both may be treated as a wrapper.
 
 ## Recap Type Alias

Inline/Inline Classes/Introduction/task.md

@@ -6,17 +6,22 @@ They are a subset of value-based classes like the primitives Int, Long, etc.
 Inline classes behave differently compared to regular classes.
 They are represented both as the underlying values type and as a wrapper.
 Hence, they do not have a stable identity.
-Therefor, reference equality ( === ) is not provided.
+Therefore, reference equality ( === ) is not provided.
 
-## Exmaple: Int
+## Example: Int
 
-The kotlin Int class may be represented as the primitive **int** in the JVM platform or as the boxed Integer class.
+The Kotlin Int class may be represented as the primitive **int** in the JVM platform or as the boxed Integer class.
 
 Inline classes are a tool to allow developers to define value-based classes to provide this behavior.
 
 ## Declaration
 
-To declare an inline class the *value* keyword is used. In addition, the **JvmInline** annotation must be annotated.
+To declare an inline class the *value* keyword is used. In addition, the `@JvmInline` annotation must be added:
+
+```kotlin
+@JvmInline
+value class PositiveId(private val value: Long)
+```
 
 The inline classes force to initialize a single property in the primary constructor. 
 Not more, not less.

Inline/Inline Classes/lesson-info.yaml

@@ -1,4 +1,4 @@
 content:
   - Introduction
   - Inline classes vs Type Aliases
-  - Examples
+  - Tasks

Operators/Arithmetic operators/Define arithmetic operators/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 269
         placeholder_text: // Define operators here
   - name: test/Tests.kt
-    visible: false
+    visible: true

Operators/Collection operators/Define collection operators/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 210
         placeholder_text: // Define collection operators here
   - name: test/Tests.kt
-    visible: false
+    visible: true

Operators/Invoke operator/Define invoke operator/task-info.yaml

@@ -7,4 +7,4 @@ files:
         length: 192
         placeholder_text: // Implement the invoke operator here
   - name: test/output.txt
-    visible: false
+    visible: true

Serialization/kotlinx.serialization/lesson-info.yaml

@@ -1,4 +1,3 @@
-type: framework
 content:
   - Introduction
   - Basics

Types/Kotlin type hierarchy/Introduction/src/Main.kt

@@ -1,7 +1,3 @@
 fun main() {
 
-}
-
-fun test(a: Nothing) {
-
 }

course-info.yaml

@@ -7,12 +7,12 @@ solutions_hidden: true
 content:
   - Types
   - Inline
-  - Generics
-  - Coroutines
-  - Flow
   - Delegation
   - Operators
-  - Serialization
+  - Coroutines
+  - Flow
+  - Generics
   - DSL
+  - Serialization
 environment_settings:
   jvm_language_level: JDK_1_8