Created
October 28, 2012 10:40
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Remove instance variables in Ruby.
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| irb(main):001:0> defined? @foo | |
| => nil | |
| irb(main):002:0> @foo = "bar" | |
| => "bar" | |
| irb(main):003:0> defined? @foo | |
| => "instance-variable" | |
| irb(main):004:0> send(:remove_instance_variable, :@foo) | |
| => "bar" | |
| irb(main):005:0> defined? @foo | |
| => nil |
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