Class: SpotFeel::Subtraction

Inherits:

Node

• Object
• Treetop::Runtime::SyntaxNode
• Node
• SpotFeel::Subtraction

Defined in:

lib/spot_feel/nodes.rb

Overview

1. subtraction = expression , “-” , expression ;

Instance Method Summary

• #eval(context = {}) ⇒ Object

Methods inherited from Node

#qualified_names_in_context, #raise_evaluation_error

Instance Method Details

#eval(context = {}) ⇒ Object

# File 'lib/spot_feel/nodes.rb', line 256

def eval(context = {})
  head.eval(context) - tail.eval(context)
end