Class: Nay::State

Inherits:

Object

• Object
• Nay::State

Defined in:

lib/nay/state.rb

Overview

Basic stack implementation for storing a basic state machine flow.

Constant Summary

DEFAULT =

:default

Instance Attribute Summary

• #stack ⇒ Object readonly

  Returns the value of attribute stack.

Instance Method Summary

• #current ⇒ Object
• #initialize ⇒ State constructor

  A new instance of State.

• #pop ⇒ Object
• #push(state) ⇒ Object

Constructor Details

#initialize ⇒ State

Returns a new instance of State.

# File 'lib/nay/state.rb', line 10

def initialize
  @stack = []
end

Instance Attribute Details

#stack ⇒ Object (readonly)

Returns the value of attribute stack.

# File 'lib/nay/state.rb', line 8

def stack
  @stack
end

Instance Method Details

#current ⇒ Object

# File 'lib/nay/state.rb', line 14

def current
  stack.last || DEFAULT
end

#pop ⇒ Object

# File 'lib/nay/state.rb', line 22

def pop
  stack.pop
end

#push(state) ⇒ Object

# File 'lib/nay/state.rb', line 18

def push(state)
  stack.push(state)
end