Initial commit

sources/com/google/common/collect/AbstractSequentialIterator.java

@@ -0,0 +1,31 @@
+package com.google.common.collect;
+
+import java.util.NoSuchElementException;
+
+/* loaded from: classes.dex */
+public abstract class AbstractSequentialIterator<T> extends UnmodifiableIterator<T> {
+    private T a;
+
+    protected AbstractSequentialIterator(T t) {
+        this.a = t;
+    }
+
+    protected abstract T a(T t);
+
+    @Override // java.util.Iterator
+    public final boolean hasNext() {
+        return this.a != null;
+    }
+
+    @Override // java.util.Iterator
+    public final T next() {
+        if (!hasNext()) {
+            throw new NoSuchElementException();
+        }
+        try {
+            return this.a;
+        } finally {
+            this.a = a(this.a);
+        }
+    }
+}