On Mon, Oct 8, 2012 at 10:38 AM, Mathieu Blondel <mathieu@mblondel.org> wrote:

Fused types were actually introduced in v0.16 (http://wiki.cython.org/ReleaseNotes-0.16) so v0.17 is the second release supporting them.

The problem I see with fused types is that they generate very large binaries. As far as I know, this is also why they are not being used in SciPy currently. Stéfan