feat: Implement tail method

transprime-research · Apr 29, 2024 · 1e96128 · 1e96128
1 parent 740ffd3
commit 1e96128
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diff --git a/src/Traits/ArrayPrefix.php b/src/Traits/ArrayPrefix.php
@@ -85,6 +85,11 @@ public function head(bool $preserveKeys = false): ArrayedInterface
         return $this->slice(0, 1, $preserveKeys);
     }
 
+    public function tail(): ArrayedInterface
+    {
+        return $this->slice(1);
+    }
+
     /**
      * Forward the calls to `array_*` that is not yet implemented
      * <br>

diff --git a/tests/ArrayPrefixTraitTest.php b/tests/ArrayPrefixTraitTest.php
@@ -193,4 +193,21 @@ public function testHead(): void
             arrayed($data)->head()->result(),
         );
     }
+
+    public function testTail(): void
+    {
+        $data = ['a', 'b', 'c', 'd'];
+
+        $this->assertSame(
+            ['b', 'c', 'd'],
+            arrayed($data)->tail()->result(),
+        );
+
+        $data = ['a' => 'b', 'c' => 'd'];
+
+        $this->assertSame(
+            ['c' => 'd'],
+            arrayed($data)->tail()->result(),
+        );
+    }
 }