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September 16, 2015 13:58
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This is an example showing how the String#replace method retains the same object id after being called.
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| > a = "This is a cat" | |
| => "This is a cat" | |
| > a.__id__ | |
| => 7971260 | |
| > b = "This is a dog" | |
| => "This is a dog" | |
| > b.__id__ | |
| => 7965700 | |
| > a = b.replace("This is a bird") | |
| = "This is a bird" | |
| > a.__id__ | |
| => 7965700 | |
| > b.__id__ | |
| => 7965700 | |
| > puts a, b | |
| This is a bird | |
| This is a bird | |
| => nil |
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