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May 16, 2015 12:45
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Closures example in Ruby
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| [1] (pry) main: 0> outer = 1 | |
| => 1 | |
| [2] (pry) main: 0> increment = -> value { outer + value } | |
| => #<Proc:0x007fb94c87e148@(pry):2 (lambda)> | |
| [3] (pry) main: 0> increment[2] | |
| => 3 | |
| [4] (pry) main: 0> increment::(2) | |
| => 3 | |
| [5] (pry) main: 0> increment.(2) | |
| => 3 | |
| [6] (pry) main: 0> increment.call(2) | |
| => 3 |
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