🐛 fix: Make FakeList iterable

Author: queer

.idea/utt.iml

@@ -10,14 +10,15 @@
 
 import javax.annotation.Nonnull;
 import java.io.IOException;
+import java.util.Iterator;
 import java.util.List;
 
 /**
  * @author amy
  * @since 3/4/22.
  */
 @JsonSerialize(using = Serializer.class)
-public record FakeList(List<Object> delegate) implements ProxyArray {
+public record FakeList(List<Object> delegate) implements ProxyArray, Iterable<Object> {
     public FakeList(@Nonnull final List<Object> delegate) {
         this.delegate = delegate;
     }
@@ -37,6 +38,24 @@ public long getSize() {
         return delegate.size();
     }
 
+    @Nonnull
+    @Override
+    public Iterator<Object> iterator() {
+        return new Iterator<>() {
+            private final Iterator<Object> iterator = delegate.iterator();
+
+            @Override
+            public boolean hasNext() {
+                return iterator.hasNext();
+            }
+
+            @Override
+            public Object next() {
+                return iterator.next();
+            }
+        };
+    }
+
     public static final class Serializer extends StdSerializer<FakeList> {
         public Serializer() {
             this(FakeList.class);

src/main/java/gg/amy/utt/fake/FakeList.java

@@ -57,8 +57,8 @@ public String transformOutput(@Nonnull final TransformationContext ctx, @Nonnull
                 // If `input` is a list, extract keys from all maps
                 final var keys = new LinkedHashSet<String>();
                 for(final var o : (Iterable<?>) input) {
-                    if(o instanceof Map) {
-                        ((Map<?, ?>) o).keySet()
+                    if(o instanceof Map<?, ?> map) {
+                        map.keySet()
                                 .stream()
                                 .filter(k -> k instanceof String)
                                 .map(k -> (String) k)