ruby idiom a | |= b meaning?

rubyonrails-talk
1

What does the ruby idiom a ||= b mean?

Thanks, Ratnavel

2

It is like:   a || a = b See David A. Black's Blog    http://dablog.rubypal.com/2008/3/25/a-short-circuit-edge-case

-Rob

Rob Biedenharn http://agileconsultingllc.com Rob@AgileConsultingLLC.com