Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/mac_address_eui48/oui_resolver.rb

Instance Method Summary collapse

Instance Method Details

#safe_invert ⇒ Object 



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# File 'lib/mac_address_eui48/oui_resolver.rb', line 5

def safe_invert
  self.each_with_object( {} ) { |(key, value), out| ( out[value] ||= [] ) << key }
end