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April 14, 2017 17:45
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| class AddOneTask | |
| @@total = 0 | |
| def initialize | |
| puts "Scheduling task" | |
| @performed = false | |
| end | |
| def performed? | |
| @performed | |
| end | |
| def perform | |
| unless performed? | |
| @@total += 1 | |
| @performed = true | |
| end | |
| puts "Task performed, state #{@@total}" | |
| self | |
| end | |
| def self.state | |
| @@total | |
| end | |
| end |
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