Class: FEEL::Exponentiation

Inherits:
Node
  • Object
show all
Defined in:
lib/feel/nodes.rb

Overview

  1. exponentiation = expression, “**”, expression ;

Instance Method Summary collapse

Methods inherited from Node

#access_property, #qualified_names_in_context, #raise_evaluation_error

Instance Method Details

#eval(context = {}) ⇒ Object



314
315
316
317
318
319
# File 'lib/feel/nodes.rb', line 314

def eval(context = {})
  head_val = head.eval(context)
  tail_val = tail.eval(context)
  return nil if head_val.nil? || tail_val.nil?
  head_val ** tail_val
end