module ZipCode

Constants

MAPPING
VERSION

Public Class Methods

find(province, city, district = '') click to toggle source

# 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