add support for vectors to quasiquote

src/Evaller.php

@@ -358,6 +358,25 @@ class Evaller
                 }
             }
 
+            return $this->quasiquoteLoop($data);
+        } elseif ($ast instanceof Vector) {
+            return new MList([
+                new Symbol('ltov'),
+                $this->quasiquoteLoop($ast->getData())
+            ]);
+        } elseif ($ast instanceof Symbol || $ast instanceof Hash) {
+            // Quote other forms which are affected by evaluation
+            return new MList([
+                new Symbol('quote'),
+                $ast
+            ]);
+        } else {
+            return $ast;
+        }
+    }
+
+    private function quasiquoteLoop(array $data): MList
+    {
         $result = new MList();
 
         for ($i = count($data) - 1; $i >= 0; $i--) {
@@ -383,11 +402,5 @@ class Evaller
         }
 
         return $result;
-        } elseif ($ast instanceof Symbol || $ast instanceof Collection) {
-            // Quote other forms which are affected by evaluation
-            return new MList([new Symbol('quote'), $ast]);
-        } else {
-            return $ast;
-        }
     }
 }