Class: Panda::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/panda/expressions.rb

Overview

The base class for all Panda tree nodes (except for the object of a comparison).

Direct Known Subclasses

Expression, Subject

Class Method Summary collapse

Class Method Details

.define_operator_builders_for(klass) ⇒ Object

Defines instance methods on the invoking class for each operator of klass. Each defined method returns a new instance of klass with the invoking instance as the left operand, the method name as the operator, and the object argument as the right operand. If the method’s operator has a ‘wordy’ alias, the method is aliased by that name.



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# File 'lib/panda/expressions.rb', line 19

def self.define_operator_builders_for(klass)
  klass.operators.each do |operator, op_name|
    define_method operator do |object|
      klass.new(self, operator, object)
    end
    alias_method(op_name, operator) if op_name
  end
end