Class: ExpressionInterpreter::Context

Inherits:

Object

• Object
• ExpressionInterpreter::Context

Defined in:

lib/expression_interpreter.rb

Instance Method Summary

• #assign(variable, value) ⇒ Object
• #initialize ⇒ Context constructor

  A new instance of Context.

• #look_up(name) ⇒ Object

Constructor Details

#initialize ⇒ Context

Returns a new instance of Context.

# File 'lib/expression_interpreter.rb', line 110

def initialize
  @var_map = {}
end

Instance Method Details

#assign(variable, value) ⇒ Object

# File 'lib/expression_interpreter.rb', line 116

def assign(variable, value)
  @var_map[variable.name] = value.to_f
end

#look_up(name) ⇒ Object

# File 'lib/expression_interpreter.rb', line 113

def look_up(name)
  @var_map[name]
end