Class: Antlr4::Runtime::ObjectEqualityComparator

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/antlr4/runtime/object_equality_comparator.rb

Instance Method Summary collapse

Instance Method Details

#compare(a, b) ⇒ Object 



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# File 'lib/antlr4/runtime/object_equality_comparator.rb', line 12

def compare(a, b)
  return 1 if a.nil? || b.nil?

  a <=> b
end

#hash(obj) ⇒ Object 



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# File 'lib/antlr4/runtime/object_equality_comparator.rb', line 6

def hash(obj)
  return 0 if obj.nil?

  obj.hash
end