interfaces-to-funs.5 : Move destinationFinder to the constructor

Duncan McGregor · dmcg · commit 6b66cea76680 · 2021-06-25T09:53:05.000+01:00
diff --git a/src/main/java/travelator/recommendations/Recommendations.kt b/src/main/java/travelator/recommendations/Recommendations.kt
@@ -7,11 +7,11 @@ import travelator.domain.Location
 
 class Recommendations(
     private val featuredDestinations: FeaturedDestinations,
-    private val distanceCalculator: DistanceCalculator
-) {
-    private val destinationFinder: // <1>
+    private val distanceCalculator: DistanceCalculator,
+    private val destinationFinder:
         (Location) -> List<FeaturedDestination> =
         featuredDestinations::findCloseTo
+) {
 
     fun recommendationsFor(
         journey: Set<Location>
diff --git a/src/test/java/travelator/recommendations/RecommendationsTests.java b/src/test/java/travelator/recommendations/RecommendationsTests.java
@@ -24,7 +24,8 @@ public class RecommendationsTests {
         mock(FeaturedDestinations.class);
     private final Recommendations recommendations = new Recommendations(
         featuredDestinations,
-        distanceCalculator
+        distanceCalculator,
+        featuredDestinations::findCloseTo
     );
     private final Location paris = location("Paris");
     private final FeaturedDestination louvre = featured("Louvre", "Rue de Rivoli");
