Module: Algorithm

Defined in:
lib/ext/algorithm.rb

Class Method Summary collapse

Class Method Details

.follow(object, sym = nil, &block) ⇒ Object 



3
4
5
6
7
8
9
10
11
 
# File 'lib/ext/algorithm.rb', line 3

def follow(object, sym = nil, &block)
  sym.nil? == block_given? or raise "Can't use both symbol and block"
  a = []
  while object
    a << object
    object = block_given? ? yield(object) : object.send(sym)
  end
  a
end