Implement $cond OmegaScript conditional
commita996a7ba20b2f3c2c9849e24b26a9067b4abfdf8
authorOlly Betts <olly@survex.com>
Fri, 23 Feb 2018 04:34:45 +0000 (23 17:34 +1300)
committerOlly Betts <olly@survex.com>
Fri, 23 Feb 2018 04:34:45 +0000 (23 17:34 +1300)
treea273905644e0edf4c34a92b5719e170d6d22dfce
parentdbb08569380bb080967939fa99fd36cbb2f2b02e
Implement $cond OmegaScript conditional

Inspired by LISP's COND, this provides a neater way to write a cascade
of $if.
xapian-applications/omega/docs/omegascript.rst
xapian-applications/omega/omegatest
xapian-applications/omega/query.cc