Class: PlusNode

Inherits:

UnaryNode

• Object
• UnaryNode
• PlusNode

Defined in:

lib/ast.rb

Instance Attribute Summary

Attributes inherited from UnaryNode

#subTree

Instance Method Summary

• #evaluate ⇒ Object
• #initialize(subTree) ⇒ PlusNode constructor

  A new instance of PlusNode.

Constructor Details

#initialize(subTree) ⇒ PlusNode

Returns a new instance of PlusNode.

# File 'lib/ast.rb', line 76

def initialize(subTree)
  super(subTree)
end

Instance Method Details

#evaluate ⇒ Object

# File 'lib/ast.rb', line 80

def evaluate
  val = subTree.evaluate
  $calc.memory += val
end