Class: Shifty::Roster

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/shifty/roster.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(workers = []) ⇒ Roster

Returns a new instance of Roster.



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# File 'lib/shifty/roster.rb', line 9

def initialize(workers = [])
  @workers = []
  workers.each do |worker|
    push worker
  end
end

Instance Attribute Details

#workers ⇒ Object (readonly)

Returns the value of attribute workers.



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# File 'lib/shifty/roster.rb', line 7

def workers
  @workers
end

Instance Method Details

#pop ⇒ Object 



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# File 'lib/shifty/roster.rb', line 26

def pop
  workers.pop.tap do |popped|
    popped.supply = nil
  end
end

#push(worker) ⇒ Object Also known as: << 



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# File 'lib/shifty/roster.rb', line 18

def push(worker)
  if worker
    worker.supply = workers.last unless workers.empty?
    workers << worker
  end
end

#shift ⇒ Object 



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# File 'lib/shifty/roster.rb', line 32

def shift
  workers.shift.tap do
    workers.first.supply = nil
  end
end

#unshift(worker) ⇒ Object 



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# File 'lib/shifty/roster.rb', line 38

def unshift(worker)
  workers.first.supply = worker
  workers.unshift worker
end