{"id":2717,"date":"2021-11-04T15:58:59","date_gmt":"2021-11-04T06:58:59","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=2717"},"modified":"2022-10-07T23:21:48","modified_gmt":"2022-10-07T14:21:48","slug":"ruby-6","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/11\/04\/ruby-6\/","title":{"rendered":"Ruby\u306e\u307e\u3068\u30816(\u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\u30e1\u30bd\u30c3\u30c9\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u516c\u958b\u7bc4\u56f2)"},"content":{"rendered":"

5\u304b\u3089\u7d9a\u304f<\/a><\/h3>\n

\u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\u30e1\u30bd\u30c3\u30c9<\/h3>\n
class User\r\n\r\nattr_reder :name \r\n  def initialize(name, deposit)\r\n      @name = name\r\n      @deposit = deposit\r\n  end\r\n\r\n  def bigger_than?(person)\r\n      person.deposit < @deposit\r\n  end\r\n  protected\r\n\r\n  def deposit\r\n    @deposit\r\n  end\r\nend\r\n  \r\nsuzutuki = User.new('suzutuki', 50000)\r\nkunugi = User.new('kunugi', 30000)\r\n\r\nsuzutuki.bigger_than?(kunugi)\r\nkunugi.bigger_than?(suzutuki) \r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\ntrue\r\nfalse\r\n\r\n\uff03\u30af\u30e9\u30b9\u306e\u5916\u3067\u306f\u547c\u3073\u51fa\u305b\u306a\u3044\u3088\r\nsuzutuki.deposit\r\nNoMethodError:<\/pre>\n
\u30e2\u30b8\u30e5\u30fc\u30eb<\/h3>\n
\u30af\u30e9\u30b9\u306e\u3088\u3046\u306b\u30e1\u30bd\u30c3\u30c9\u3084\u5b9a\u6570\u3092\u307e\u3068\u3081\u3089\u308c\u308b\u304c
\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u308c\u306a\u3044\u3001\u7d99\u627f\u304c\u3067\u304d\u306a\u3044
\n\u95a2\u9023\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3084\u5b9a\u6570\u306a\u3069\u3092\u307e\u3068\u3081\u3066\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u3044\u3060\u3051\u306e\u6642\u306b\u3001
\n\u624b\u8efd\u306b\u4f7f\u3048\u308b\u3002<\/p>\n
module \u30e2\u30b8\u30e5\u30fc\u30eb\u540d\r\n  \uff03\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5b9a\u7fa9\u3000(\u30e1\u30bd\u30c3\u30c9\u3084\u3001\u5b9a\u6570\u306a\u3069)\r\nend<\/pre>\n
module Driver\r\n  \r\n  def self.run\r\n    puts 'Run'\r\n  end\r\n\r\n  def self.stop\r\n    puts 'Stop'\r\n  end\r\nend\r\n\r\nDriver.run\r\nDriver.stop\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\nRun\r\nStop\r\n# driver = Driver.new         #\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u3067\u304d\u306a\u3044\r\n#   module TaxiDriver < Driver  #\u7d99\u627f\u3067\u304d\u306a\u3044\r\n# end\r\n\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u306a\u3044\u306e\u3067self.\u3067\u3084\u308b<\/pre>\n
 <\/p>\n
module SampleNumber\r\n  NUMBER = 300\r\n\r\n  def number\r\n    NUMBER\r\n  end\r\nend\r\n\r\nputs SampleNumber::NUMBER\r\ninclude SampleNumber\r\nputs number\r\nputs NUMBER\r\n\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\n300\r\n300\r\n300\r\n\r\ninnclude\u3059\u308b\u3053\u3068\u3067\u5b9a\u6570\u3092\u3069\u3061\u3089\u3067\u3082\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u308b<\/pre>\n
module SampleModule\r\n\r\n  def sum(a,b)\r\n    a + b\r\n  end\r\n\r\n  module_function :sum\r\nend\r\n\r\nputs SampleModule.sum(4, 7)\r\nruby.module0.rb\u3067\u51fa\u529b\r\n11<\/pre>\n
module SampleModule\r\n\r\n  def sum(a,b)\r\n    a + b\r\n  end\r\nend\r\n\r\nclass Port\r\n  include SampleModule\r\n\r\n  def call_sum(a, b)\r\n    sum(a+ b)\r\n  end\r\nend\r\n\r\nport = Port.new\r\nputs port.sum(4, 7)\r\nputs port.call_sum(8, 7)\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\n11\r\n15\r\n\r\ninclude \"\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\" \u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u308b\r\n\r\n<\/pre>\n
\u4f8b\u5916\u3068\u4f8b\u5916\u51e6\u7406<\/h3>\n
puts '\u6570\u5024\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044'\r\ni = gets.to_i\r\nbegin\r\n#\u4f8b\u5916\u304c\u8d77\u304d\u3046\u308b\u51e6\u7406\r\n  puts 10 \/ i\r\n  puts \"begin's end\"\r\n  rescue => ex\r\n#\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u51e6\u7406\r\n  puts 'error!'\r\n  puts ex.message\r\n  puts ex.class\r\n  ensure\r\n# \u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u3082\u3001\u3057\u306a\u304f\u3066\u3082\u3001\u6700\u5f8c\u306b\u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\r\n  puts '\u7d42\u308f\u308a'\r\nend\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\n\u6570\u5024\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\r\n0\r\nerror!\r\ndivided by 0\r\nZeroDivisionError\r\n\u7d42\u308f\u308a<\/pre>\n
puts “begin’s end”\u306f\u30a8\u30e9\u30fc\u6642\u306f\u7121\u8996\u3055\u308c\u308b
\n#\u5b9f\u52d9\u3067\u306f\u3088\u304f\u4f7f\u3046\u306e\u3067\u7279\u306b\u91cd\u8981<\/p>\n
\u4f8b:\uff12\r\n[1] pry(main)> begin\r\n[1] pry(main)* val = 10\/ 0\r\n[1] pry(main)* puts val\r\n[1] pry(main)* rescue => e \r\n[1] pry(main)* p e.full_message\r\n[1] pry(main)* p e.message\r\n[1] pry(main)* p e.class\r\n[1] pry(main)* end \r\n\r\n 1: from (pry):2:in `__pry__'\\n(pry)\r\n:2:in `\/': \\e[1mdivided by 0 (\\e[4;1mZeroDivisionError\\e[m\\e[1m)\\n\\e[m\"\"divided by 0\"\r\nZeroDivisionError\r\n=> ZeroDivisionError\r\n<\/pre>\n
\u30e1\u30bd\u30c3\u30c9\u306e\u516c\u958b\u7bc4\u56f2<\/h3>\n
\u30fbpublic
\n\u8ab0\u304b\u3089\u3082\u898b\u3048\u308b
\n\u30fbprotected
\n\u3042\u307e\u308a\u3064\u304b\u308f\u308c\u306a\u3044
\n\u30fbprivate
\n\u81ea\u5206\u304b\u3089\u3057\u304b\u307f\u3048\u306a\u3044<\/p>\n
class User\r\n\r\n  def initialize(name)\r\n    @name = name\r\n  end\r\n\r\nprivate\r\n  def hello\r\n    puts \"Hello! I am #{@name}.\"\r\n  end\r\nend\r\n\r\nsuzutuki = User.new('suzutuki')\r\nsuzutuki.hello\r\n\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\nTraceback (most recent call last):\r\naccess.rb:14:in `<main>': private method `hello' called for #<User:0x00000000010c4260 @name=\"suzutuki\"> (NoMethodError)\r\nsuzutuki:~\/environment\/ruby_projects $ ruby access.rb\r\n\r\nprivate\u306b\u3088\u3063\u3066\u30a8\u30e9\u30fc\u304c\u51fa\u308b\r\nprivate\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u306a\u3069\u3059\u308b\u3068\u554f\u984c\u306a\u3044\r\nHello! I am suzutuki.<\/pre>\n
class User\r\n\r\n  def initialize(name)\r\n    @name = name\r\n  end\r\n\r\n  def say\r\n     hello\r\n  end\r\n\r\n  private\r\n    def hello\r\n      puts \"Hello! I am #{@name}.\"\r\n    end\r\nend\r\n\r\nsuzutuki = User.new('suzutuki')\r\nsuzutuki.say\r\n\r\ndef say hello end\u306b\u3088\u308a\r\n#.rb\u3067\u51fa\u529b\u3059\u308b\u3068\r\nHello! I am suzutuki.\r\n\u2191\u304c\u51fa\u529b\u3055\u308c\u305f\u306e\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u305f<\/pre>\n
\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3067\u4f7f\u3046\u306e\u3067\u899a\u3048\u3066\u304a\u3053\u3046\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
5\u304b\u3089\u7d9a\u304f \u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\u30e1\u30bd\u30c3\u30c9 class User attr_reder :name def initialize(name, deposit) @name = name @deposit = deposit en […]<\/p>\n","protected":false},"author":1,"featured_media":2684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,31],"tags":[],"class_list":["post-2717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-note","category-ruby"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=2717"}],"version-history":[{"count":12,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2717\/revisions"}],"predecessor-version":[{"id":6021,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2717\/revisions\/6021"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media\/2684"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=2717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=2717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=2717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}