Method: ZipCode.find

Defined in:
lib/zip_code.rb

.find(province, city, district = '') ⇒ Object 



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# File 'lib/zip_code.rb', line 4

def self.find province, city, district = ''
  return '' if ZipCode::MAPPING[province].nil?
  return '' if ZipCode::MAPPING[province][city].nil?
  return ZipCode::MAPPING[province][city].first[1] if district.empty?
  return ZipCode::MAPPING[province][city][district] || ''
end