From: "Peña, Botp" <botp@...>
Date: 2007-04-14T11:51:01+09:00
Subject: Re: Idiom wanted (now hiring!)

From: Robert Dober [mailto:robert.dober@gmail.com] 
# On 4/13/07, Robert Klemme <shortcutter@googlemail.com> wrote:
# > On 13.04.2007 08:02, Jonathan wrote:
# > > a = func(b) unless func(b).nil? (AKA)
# > > a = func(b) if func(b)
# > x = func(b)
# > a = x if x
# x = func b
# a ||=x

>irb
irb(main):001:0> a=1
=> 1
irb(main):002:0> a=func()
NoMethodError: undefined method `func' for main:Object
        from (irb):2
        from :0
irb(main):004:0> a=func() rescue a
=> 1
irb(main):006:0> b=func() rescue b
=> nil