1 files changed, 25 insertions, 0 deletions
diff --git a/native/jni/src/utils/int_array_view.h b/native/jni/src/utils/int_array_view.h
index 3ff01f5d0..c1ddc9812 100644
--- a/native/jni/src/utils/int_array_view.h
+++ b/native/jni/src/utils/int_array_view.h
@@ -56,11 +56,25 @@ class IntArrayView {
     explicit IntArrayView(const std::vector<int> &vector)
             : mPtr(vector.data()), mSize(vector.size()) {}
 
+    template <int N>
+    AK_FORCE_INLINE static IntArrayView fromFixedSizeArray(const int (&array)[N]) {
+        return IntArrayView(array, N);
+    }
+
+    // Returns a view that points one int object. Does not take ownership of the given object.
+    AK_FORCE_INLINE static IntArrayView fromObject(const int *const object) {
+        return IntArrayView(object, 1);
+    }
+
     AK_FORCE_INLINE int operator[](const size_t index) const {
         ASSERT(index < mSize);
         return mPtr[index];
     }
 
+    AK_FORCE_INLINE bool empty() const {
+        return size() == 0;
+    }
+
     AK_FORCE_INLINE size_t size() const {
         return mSize;
     }
@@ -69,6 +83,14 @@ class IntArrayView {
         return mPtr;
     }
 
+    AK_FORCE_INLINE const int *begin() const {
+        return mPtr;
+    }
+
+    AK_FORCE_INLINE const int *end() const {
+        return mPtr + mSize;
+    }
+
  private:
     DISALLOW_ASSIGNMENT_OPERATOR(IntArrayView);
 
@@ -76,5 +98,8 @@ class IntArrayView {
     const size_t mSize;
 };
 
+using WordIdArrayView = IntArrayView;
+using PtNodePosArrayView = IntArrayView;
+
 } // namespace latinime
 #endif // LATINIME_MEMORY_VIEW_H