[PATCH 3 of 4 RFC] revset: added __nonzero__ method to lazyset

[David Soria Parra]

On 02/20/2014 10:36 AM, Lucas Moscovicz wrote:
> diff --git a/mercurial/revset.py b/mercurial/revset.py
> --- a/mercurial/revset.py
> +++ b/mercurial/revset.py
> @@ -2143,6 +2143,11 @@
>      def extend(self, x):
>          self.append(x)
>  
> +    def __nonzero__(self):
> +        for r in self:
> +            return True
> +        return False
> +
isn't this equivalent to
def __nonzero__(self):
	return any(self)
which should evaluate lazy and stop after the first element