Method: Sequitur::Production#decr_refcount

Defined in:
lib/sequitur/production.rb

#decr_refcount ⇒ Object

Decrement the reference count by one.

Raises:

  • (StandardError) 


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# File 'lib/sequitur/production.rb', line 61

def decr_refcount
  raise StandardError, 'Internal error' if @refcount.zero?

  @refcount -= 1
end