아이템 구현. 장비매매 추가

hwe/sammo/Constraint/AdhocCallback.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace sammo\Constraint;
+
+//일일히 클래스를 만들기 싫을 때 간단히 끝내는 Constraint
+
+class AdhocCallback extends Constraint{
+    const REQ_VALUES = Constraint::REQ_ARG;
+
+    public function checkInputValues(bool $throwExeception=true){
+        if(!parent::checkInputValues($throwExeception) && !$throwException){
+            return false;
+        }
+
+        if(!is_callable($this->arg)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require callback");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        $reason = ($this->arg)();
+        if($reason === null){
+            return true;
+        }
+
+        $this->reason = $reason;
+        return false;
+    }
+}