From: botp <botpena@...>
Date: 2010-02-05T12:55:24+09:00
Subject: when should one use "and" and "or"

Hi All,

just got hit w the ff

> case
> when x==1 or x==2
>   print "yeoh!"
> end
SyntaxError: compile error
(irb):17: syntax error, unexpected kOR, expecting kTHEN or ':' or '\n' or ';'
when x==1 or x==2
            ^

"or" and "and" both exhibit the behaviour in ruby1.8/1.9.

workaround
1 put parens around the condition (not again)
2 replace or/and with ||/&&

i believe there are other similar quirks when using "and/or"..
has ruby relegated the use of "and/or"....?

best regards -botp