Class: BlockChain

Inherits:
Object
  • Object
show all
Defined in:
lib/block_chain.rb,
lib/block_chain/version.rb

Constant Summary collapse

VERSION = 
'0.2.0'

Instance Method Summary collapse

Constructor Details

#initialize(*methods) ⇒ BlockChain

Returns a new instance of BlockChain.



4
5
6
 
# File 'lib/block_chain.rb', line 4

def initialize *methods
  @procs = methods.map(&:to_proc)
end

Instance Method Details

#call(*args) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/block_chain.rb', line 8

def call *args
  if @procs.none?
    yield
  elsif @procs.one?
    @procs.first.call(*args) { yield }
  else
    current = @procs.first
    nexts = self.class.new(*@procs.slice(1..-1))
    current.call(*args) do
      nexts.call(*args) { yield }
    end
  end
end