:trollface: unshift 灵感来源:https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift

hutool-core/src/main/java/cn/hutool/core/stream/FastStream.java

@@ -1114,7 +1114,7 @@ public class FastStream<T> implements Stream<T>, Iterable<T> {
 	 * @param obj 元素
 	 * @return 流
 	 */
-	public FastStream<T> addFirst(T obj) {
+	public FastStream<T> unshift(T obj) {
 		return FastStream.concat(Stream.of(obj), this.stream);
 	}
 
@@ -1125,7 +1125,7 @@ public class FastStream<T> implements Stream<T>, Iterable<T> {
 	 * @return 流
 	 */
 	@SafeVarargs
-	public final FastStream<T> addFirst(T... obj) {
+	public final FastStream<T> unshift(T... obj) {
 		return FastStream.concat(ofStream(obj), this.stream);
 	}
 

hutool-core/src/test/java/cn/hutool/core/stream/FastStreamTest.java

@@ -100,7 +100,8 @@ public class FastStreamTest {
 				put("1", 1);
 				put("2", 2);
 				put("3", 3);
-			}}, identityMap);
+			}
+		}, identityMap);
 	}
 
 	@Test
@@ -115,7 +116,8 @@ public class FastStreamTest {
 						put("1", singletonList(1));
 						put("2", singletonList(2));
 						put("3", singletonList(3));
-					}}, group);
+					}
+				}, group);
 	}
 
 	@Test
@@ -230,9 +232,9 @@ public class FastStreamTest {
 	}
 
 	@Test
-	public void testAddFirst() {
+	public void testUnshift() {
 		List<Integer> list = Arrays.asList(2, 3);
-		List<Integer> unshift = FastStream.of(list).addFirst(1).toList();
+		List<Integer> unshift = FastStream.of(list).unshift(1).toList();
 		Assert.assertEquals(Arrays.asList(1, 2, 3), unshift);
 	}