diff options
| -rw-r--r-- | includes/Handle.h | 6 |
1 files changed, 4 insertions, 2 deletions
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()); |