Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/generator.rb

Overview

Some nasty Array-Monkeypatches

Instance Method Summary collapse

Instance Method Details

#rand ⇒ Object 



3
4
5
 
# File 'lib/generator.rb', line 3

def rand
  self[Kernel.rand(length)]
end

#randn(n) ⇒ Object

works like rand, but returns n random elements from self if n >= self.lenth, self is returned



9
10
11
12
13
14
15
16
17
 
# File 'lib/generator.rb', line 9

def randn(n)
  return self if n >= length
  ret = []
  while (ret.length < n) do
    dummy = rand
    ret << dummy unless ret.member?(dummy)
  end
  ret
end