1 files changed, 13 insertions, 2 deletions
diff --git a/api/src/main/java/me/shedaniel/rei/api/common/util/CollectionUtils.java b/api/src/main/java/me/shedaniel/rei/api/common/util/CollectionUtils.java
index 21e5401d0..44bb9da1f 100644
--- a/api/src/main/java/me/shedaniel/rei/api/common/util/CollectionUtils.java
+++ b/api/src/main/java/me/shedaniel/rei/api/common/util/CollectionUtils.java
@@ -138,7 +138,7 @@ public class CollectionUtils {
         }
         return l;
     }
-
+    
     public static <T, R> Set<R> mapToSet(Collection<T> list, Function<T, R> function) {
         Set<R> l = new HashSet<>(list.size() + 1);
         for (T t : list) {
@@ -146,7 +146,7 @@ public class CollectionUtils {
         }
         return l;
     }
-
+    
     public static <T, R> Set<R> mapToSet(Iterable<T> list, Function<T, R> function) {
         Set<R> l = new HashSet<>();
         for (T t : list) {
@@ -349,6 +349,17 @@ public class CollectionUtils {
         return sum;
     }
     
+    public static <T> List<T> distinctToList(Iterable<T> list) {
+        List<T> newList = new ArrayList<>();
+        Set<T> set = new HashSet<>();
+        for (T t : list) {
+            if (set.add(t)) {
+                newList.add(t);
+            }
+        }
+        return newList;
+    }
+    
     public static <T> Iterable<List<T>> partition(List<T> list, int size) {
         return () -> new UnmodifiableIterator<List<T>>() {
             int i = 0;