Created
March 27, 2015 08:16
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How many items does array have?
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| ➜ ~ pry | |
| [1] (pry) main: 0> a = [1, 2, 3] | |
| => [1, 2, 3] | |
| [2] (pry) main: 0> a.count | |
| => 3 | |
| [3] (pry) main: 0> a.size | |
| => 3 | |
| [4] (pry) main: 0> a.length | |
| => 3 |
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