Interactive Ruby Shell: Difference between revisions

Revision as of 03:14, 20 August 2007

Revision as of 10:19, 22 October 2007

Line 5:

Example usage:

<source lang="ruby">

irb(main):001:0> n = 5

=> 5

irb(main):002:0> def fact(n)

irb(main):003002:10> def if fact(n <= 1)

irb(main):004003:21> if n <= 1

irb(main):005004:2> else 1

irb(main):005:2> else
irb(main):006:2* n * fact(n - 1)

irb(main):007:2> end

irb(main):008:1> end

=> nil

irb(main):009:0> fact(n)

=> 120

</source>

==See also==