From ebc46bf6b79bc818f55aa9f63294053b20bd6501 Mon Sep 17 00:00:00 2001
From: Nicolas 'Pixel' Noble <pixel@nobis-crew.org>
Date: Mon, 21 Jan 2013 20:06:39 -0800
Subject: Adding the asA method to the IO template.

---
 includes/Handle.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'includes')

diff --git a/includes/Handle.h b/includes/Handle.h
index 091c59c..e12fab7 100644
--- a/includes/Handle.h
+++ b/includes/Handle.h
@@ -110,8 +110,10 @@ class IO : public IOBase {
       IO(const IO<T> & io) { if (io.m_h) setHandle(io.m_h); }
       template<class U>
       IO(const IO<U> & io) { if (io.m_h) setHandle(io.m_h); }
-      template<class U>
-      bool isA() { return !!dynamic_cast<U *>(m_h); }
+    template<class U>
+    bool isA() { return !!dynamic_cast<U *>(m_h); }
+    template<class U>
+    IO<U> asA() { IO<U> h(dynamic_cast<U *>(m_h)); return h; }
     IO<T> & operator=(const IO<T> & io) { if (m_h) m_h->delRef(); setHandle(io.m_h); return *this; }
     T * operator->() {
         AAssert(m_h, "Can't use %s->() with a null Handle", ClassName(this).c_str());
-- 
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