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December 22, 2015 23:29
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Functional FizzBuzz. I've been reading the fantastic "Functional JavaScript" (http://functionaljavascript.com) and thought I'd try some Ruby in that style.
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| require 'json' | |
| module FizzBuzz | |
| def self.generate last_num | |
| 1.upto(last_num).map do |n| | |
| if n % 15 == 0 | |
| 'FizzBuzz' | |
| elsif n % 5 == 0 | |
| 'Buzz' | |
| elsif n % 3 == 0 | |
| 'Fizz' | |
| else | |
| n.to_s | |
| end | |
| end | |
| end | |
| def self.as_text last_num | |
| generate(last_num).join(' ') | |
| end | |
| def self.as_json last_num | |
| generate(last_num).to_json | |
| end | |
| def self.as_html last_num | |
| <<EOHTML | |
| <!DOCTYPE HTML> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <ul> | |
| #{generate(last_num).map{ |n| " <li>#{n}</li>" }.join("\n")} | |
| </ul> | |
| </body> | |
| </html> | |
| EOHTML | |
| end | |
| end | |
| if __FILE__ == $0 | |
| puts FizzBuzz.generate(15) | |
| puts FizzBuzz.as_text(15) | |
| puts FizzBuzz.as_json(15) | |
| puts FizzBuzz.as_html(15) | |
| end |
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