use var syntax
use var syntax

Signed-off-by: Mathieu Barbin <d42fd17e3b370d2c268a77ff52b973443312ab57@janestreet.com>

janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder,janestreet/jbuilder