On Tue, Nov 27 2012, Eoghan Glynn wrote: > Yep, transformers should be chainable and capable of discarding > (either by explicitly calling down the chain, or by signalling a > stopping condition in some other way, e.g. raise an exception > or return False or whatever makes sense as a protocol). Stupid question, but isn't there anything doing that alread in Python? That seems so generic. Doug may have an idea? -- Julien Danjou /* Free Software hacker & freelance http://julien.danjou.info */ -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 835 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20121127/484f51ee/attachment.pgp>