> In Ruby, only nil and false are false, so you can use || to catch 0s and empty strings. But there's still trouble with things like boolean configuration vari

> In Ruby, only nil and false are false, so you can use || to catch 0s and empty strings. But there's still trouble with things like boolean configuration variables ... > In Perl [...] there's the // operator Thanks for mentioning that! [1] The // operator is indeed a clean operator, almost equivalent to COALESCE. So we have Perl and SQL. Any other language with such an operator? [1] http://perldoc.perl.org/perlop.html#C-style-Logical-Defined-Or http://perldoc.perl.org/perlop.html#C-style-Logical-Defined-...