Created
October 3, 2010 17:15
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| nils:~/ERDL[master*]> irb | |
| ruby-1.8.7-p302 > defined? bar | |
| => nil | |
| ruby-1.8.7-p302 > bar = "a" | |
| => "a" | |
| ruby-1.8.7-p302 > defined? bar | |
| => "local-variable" | |
| ruby-1.8.7-p302 > |
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| arr = [] | |
| foo = "foo" | |
| a = defined?(foo) ? foo : false | |
| arr << a if(a) | |
| a = defined?(bla) ? bla : false | |
| arr << a if(a) | |
| puts arr.inspect |
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