Class: ExpressionInterpreter::Variable

Inherits:

Object

• Object
• ExpressionInterpreter::Variable

Defined in:

lib/expression_interpreter.rb

Instance Attribute Summary

• #name ⇒ Object readonly

  Returns the value of attribute name.

Instance Method Summary

• #evaluate(conext) ⇒ Object
• #initialize(name) ⇒ Variable constructor

  A new instance of Variable.

• #to_s ⇒ Object

Constructor Details

#initialize(name) ⇒ Variable

Returns a new instance of Variable.

# File 'lib/expression_interpreter.rb', line 86

def initialize(name)
  @name = name.to_sym
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.

# File 'lib/expression_interpreter.rb', line 85

def name
  @name
end

Instance Method Details

#evaluate(conext) ⇒ Object

# File 'lib/expression_interpreter.rb', line 89

def evaluate(conext)
  conext.look_up(@name)
end

#to_s ⇒ Object

# File 'lib/expression_interpreter.rb', line 92

def to_s
  @name.to_s
end