Class: Stack

Inherits:

Object

• Object
• Stack

Defined in:

lib/honey_mushroom/stack.rb

Instance Attribute Summary

• #stack ⇒ Object

  Returns the value of attribute stack.

Instance Method Summary

• #initialize ⇒ Stack constructor

  A new instance of Stack.

• #peek ⇒ Object
• #pop ⇒ Object
• #push(value) ⇒ Object

Constructor Details

#initialize ⇒ Stack

Returns a new instance of Stack.

# File 'lib/honey_mushroom/stack.rb', line 3

def initialize
  @stack = []
end

Instance Attribute Details

#stack ⇒ Object

Returns the value of attribute stack.

# File 'lib/honey_mushroom/stack.rb', line 2

def stack
  @stack
end

Instance Method Details

#peek ⇒ Object

# File 'lib/honey_mushroom/stack.rb', line 16

def peek
  stack[-1]
end

#pop ⇒ Object

# File 'lib/honey_mushroom/stack.rb', line 12

def pop
  stack.pop
end

#push(value) ⇒ Object

# File 'lib/honey_mushroom/stack.rb', line 7

def push(value)
  stack.push(value)
  return value
end