Regenerated samples

Appendices/AtomicTest/Examples/task.md

@@ -1,3 +1,4 @@
 ## AtomicTest
 
-Examples accompanying the atom.
+Examples accompanying the atom.
+[Read "AtomicTest" atom online.](https://stepik.org/lesson/440525/step/1)

Appendices/Java Interoperability/Examples/task.md

@@ -1,3 +1,4 @@
 ## Java Interoperability
 
-Examples accompanying the atom.
+Examples accompanying the atom.
+[Read "Java Interoperability" atom online.](https://stepik.org/lesson/440526/step/1)

Functional Programming/Higher-Order Functions/Examples/task.md

@@ -1,4 +1,4 @@
 ## Higher-Order Functions
 
 Examples accompanying the atom.
-[Read "Higher-Order Functions" atom online.](https://stepik.org/lesson/350540/step/1)
+[Read "Higher-Order Functions" atom online.](https://stepik.org/lesson/107892/step/1)

Object-Oriented Programming/Interfaces/Examples/src/SamConversion.kt

@@ -0,0 +1,20 @@
+// Interfaces/SamConversion.kt
+package interfaces
+import atomictest.trace
+
+fun interface Action {
+  fun act()
+}
+
+fun delayAction(action: Action) {
+  trace("Delaying...")
+  action.act()
+}
+
+fun main() {
+  delayAction { trace("Hey!") }
+  trace eq """
+    Delaying...
+    Hey!
+  """.trimIndent()
+}

Object-Oriented Programming/Interfaces/Examples/task-info.yaml

@@ -10,3 +10,5 @@ files:
   visible: true
 - name: src/SAMImplementation.kt
   visible: true
+- name: src/SamConversion.kt
+  visible: true

Preventing Failure/Check Instructions/Exercise 3/task.md

@@ -1,7 +1,7 @@
 ## Check Instructions (#3)
 
 This exercise further explores ranges, introduced in [Looping &
-Ranges], and shows how they can be used with check
+Ranges](https://stepik.org/lesson/104311/step/1), and shows how they can be used with check
 instructions.
 
 Create a class `Level` with two constructor arguments: `val range: IntRange`,

Preventing Failure/The Nothing Type/Exercise 1/task.md

@@ -5,8 +5,8 @@ and passes it to the base-class constructor. Write a function `fail(msg:
 String)` that passes `msg` to `trace()`, and then throws a `Failure`.
 
 Now write your own versions of `require()` and `check()` (from [Check
-Instructions]) that use `fail()`. The starter code in `main()` tests your
-functions.
+Instructions](https://stepik.org/lesson/350665/step/1)) that use `fail()`. The starter code in
+`main()` tests your functions.
 
 <sub> This task doesn't contain automatic tests,
 so it's always marked as "Correct" when you run "Check".

util/test/TestAllExamples.java

@@ -1666,6 +1666,11 @@ public class TestAllExamples extends AbstractTestExamples {
         testExample("Object-Oriented Programming/Interfaces/Examples/src/Hotness.kt", interfaces.HotnessKt::main);
     }
 
+    @Test
+    public void testSamConversion() {
+        testExample("Object-Oriented Programming/Interfaces/Examples/src/SamConversion.kt", interfaces.SamConversionKt::main);
+    }
+
     @Test
     public void testSAMImplementation() {
         testExample("Object-Oriented Programming/Interfaces/Examples/src/SAMImplementation.kt", interfaces.SAMImplementationKt::main);