[PATCH] _addset: add a __len__ method

[Matt Mackall]

On Fri, 2014-03-21 at 11:34 -0700, pierre-yves.david at ens-lyon.org wrote:
> # HG changeset patch
> # User Pierre-Yves David <pierre-yves.david at fb.com>
> # Date 1395366928 25200
> #      Thu Mar 20 18:55:28 2014 -0700
> # Node ID a9cd7e13fd9d5e1a9d5b03f39788a701551a2b29
> # Parent  6ca61d24858992759652e869e1b7437402f6f512
> _addset: add a __len__ method

Queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.