rename method

Author: taylorotwell

src/Illuminate/Collections/Collection.php

@@ -554,11 +554,11 @@ public function isEmpty()
     }
 
     /**
-     * Determine if the collection contains a single element.
+     * Determine if the collection contains a single item.
      *
      * @return bool
      */
-    public function isSingle()
+    public function containsOneItem()
     {
         return $this->count() === 1;
     }

src/Illuminate/Collections/LazyCollection.php

@@ -557,11 +557,11 @@ public function isEmpty()
     }
 
     /**
-     * Determine if the collection contains a single element.
+     * Determine if the collection contains a single item.
      *
      * @return bool
      */
-    public function isSingle()
+    public function containsOneItem()
     {
         return $this->take(2)->count() === 1;
     }

tests/Support/SupportCollectionTest.php

@@ -544,11 +544,11 @@ public function testCountableByWithCallback($collection)
     /**
      * @dataProvider collectionClassProvider
      */
-    public function testIsSingle($collection)
+    public function testContainsOneItem($collection)
     {
-        $this->assertFalse((new $collection([]))->isSingle());
-        $this->assertTrue((new $collection([1]))->isSingle());
-        $this->assertFalse((new $collection([1, 2]))->isSingle());
+        $this->assertFalse((new $collection([]))->containsOneItem());
+        $this->assertTrue((new $collection([1]))->containsOneItem());
+        $this->assertFalse((new $collection([1, 2]))->containsOneItem());
     }
 
     public function testIterable()

tests/Support/SupportLazyCollectionIsLazyTest.php

@@ -484,10 +484,10 @@ public function testIsNotEmptyIsLazy()
         });
     }
 
-    public function testIsSingleIsLazy()
+    public function testContainsOneItemIsLazy()
     {
         $this->assertEnumerates(2, function ($collection) {
-            $collection->isSingle();
+            $collection->containsOneItem();
         });
     }