ruby/sample/fact.rb

def fact(n)
  return 1 if n == 0
  f = 1
  n.downto(1) do |i|
    f *= i
  end
  f
end
puts fact(ARGV[0].to_i)
Initial revision git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 1998-01-16 12:13:05 +00:00			`def fact(n)`
This commit was generated by cvs2svn to compensate for changes in r11, which included commits to RCS files with non-trunk default branches. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 1998-01-16 12:19:22 +00:00			`return 1 if n == 0`
			`f = 1`
Improve. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2002-12-19 20:42:50 +00:00			`n.downto(1) do \|i\|`
			`f *= i`
Initial revision git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 1998-01-16 12:13:05 +00:00			`end`
Simplify a sample code (#2374) 2019-08-17 14:56:57 +09:00			`f`
Initial revision git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 1998-01-16 12:13:05 +00:00			`end`
Simplify a sample code (#2374) 2019-08-17 14:56:57 +09:00			`puts fact(ARGV[0].to_i)`