B
> a = <A HREF="Qtc-ClassTypes-Opengl.html#t%3ACQGLContext"
>CQGLContext</A
> a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:CQGLContext"
><A NAME="t%3ACQGLContext"
></A
></A
><B
>CQGLContext</B
> a </TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:qCast_QGLContext"
><A NAME="v%3AqCast_QGLContext"
></A
></A
><B
>qCast_QGLContext</B
> ::  <A HREF="Qtc-Classes-Object.html#t%3AObject"
>Object</A
> a -&gt; IO (