Mercurial > hg-stable
changeset 22691:d8a08b68f754
revset: add a `__nonzero__` to baseset
We are about to add a base class for `baseset` with an abstract `__nonzero__`
method. So we need this method to be explicitly defined to avoid issues. The
built-in list object apparently does not have a `__nonzero__` and relies on
`__len__` for this purpose?
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Wed, 01 Oct 2014 15:03:16 -0500 |
| parents | d7ab5684711f |
| children | 78c916f24dd9 |
| files | mercurial/revset.py |
| diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/revset.py Wed Oct 01 15:50:54 2014 -0500 +++ b/mercurial/revset.py Wed Oct 01 15:03:16 2014 -0500 @@ -2238,6 +2238,9 @@ def __contains__(self): return self.set().__contains__ + def __nonzero__(self): + return bool(len(self)) + def __sub__(self, other): """Returns a new object with the substraction of the two collections.