Created
August 27, 2013 07:36
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| class NullObject | |
| def nil?; true; end | |
| def !; true end | |
| def to_a; []; end | |
| def to_s(*args); ""; end | |
| def to_str(*args); ""; end | |
| def to_f(*args); 0.0; end | |
| def to_i(*args); 0; end | |
| def method_missing(*args, &blk) | |
| self | |
| end | |
| end |
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