{"id":19175,"date":"2014-06-17T10:53:09","date_gmt":"2014-06-17T01:53:09","guid":{"rendered":"http:\/\/www.key-p.com\/blog\/staff\/?p=19175"},"modified":"2017-09-01T18:43:40","modified_gmt":"2017-09-01T09:43:40","slug":"%e4%bb%96%e3%81%ae%e8%a8%80%e8%aa%9e%e3%81%ab%e3%81%aa%e3%81%84ruby%e3%81%ae%e7%89%b9%e5%be%b4","status":"publish","type":"post","link":"https:\/\/www.key-p.com\/blog\/staff\/archives\/19175","title":{"rendered":"\u4ed6\u306e\u8a00\u8a9e\u306b\u306a\u3044Ruby\u306e\u7279\u5fb4"},"content":{"rendered":"

\n\u306f\u3058\u3081\u307e\u3057\u3066\u3001\u4eca\u5e74\u306e4\u6708\u306b\u5165\u793e\u3057\u307e\u3057\u305f\u3001t\u3067\u3059\u3002
\n\u5927\u5b66\u3092\u5352\u696d\u3057\u3066\u65b0\u5352\u3068\u3057\u3066\u5165\u793e\u3057\u307e\u3057\u305f\u3002
\n
\n\u8da3\u5473\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u3059\u3002
\n\u5de5\u696d\u9ad8\u6821\u51fa\u8eab\u3067\u3001\u9ad8\u6821\u306e\u6642\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u89e6\u308c\u3066\u304d\u307e\u3057\u305f\u3002
\n\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u9762\u767d\u3044\u70b9\u306f\u3001\u601d\u3044\u901a\u308a\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u52d5\u304f\u3053\u3068\u3067\u3059\u3002
\n\u305d\u3057\u3066\u3001\u540c\u3058\u3088\u3046\u306b\u52d5\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3082\u3001\u3044\u304b\u306b\u5206\u304b\u308a\u3084\u3059\u304f\u3001\u52d5\u4f5c\u306e\u901f\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3001\u3068\u3044\u3046\u90e8\u5206\u3082\u9762\u767d\u3044\u70b9\u3067\u3059\u3002
\n
\n\u4eca\u307e\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6280\u8853\u30cd\u30bf\u3082\u517c\u306d\u3066\u3001\u6700\u8fd1\u89e6\u308c\u305fRuby\u3068\u3044\u3046\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002
\n

\"Ruby<\/p>\nRuby\u306f\u65e5\u672c\u4eba\u306e\u65b9\u304c\u4f5c\u3089\u308c\u305f\u8a00\u8a9e\u3067\u3001Vagrant\u3092\u59cb\u3081\u3068\u3059\u308b\u958b\u767a\u74b0\u5883\u69cb\u7bc9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u8a00\u8a9e\u3067\u3059\u3002
\n
\n\u4ed6\u306e\u8a00\u8a9e\u306b\u306a\u3044\u7279\u5fb4\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u308b\u70b9\u30922\u70b9\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002
\n1\u3064\u76ee\u306ffor\u306e\u3088\u3046\u306a\u30d6\u30ed\u30c3\u30af\u8a18\u8ff0\u306b\u3088\u308b\u7121\u540d\u95a2\u6570\u6e21\u3057\u3092\u901a\u5e38\u306e\u95a2\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u3067\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u70b9\u3067\u3059\u3002
\n

def func( num )\n  yield num * 2 #\u4e0e\u3048\u3089\u308c\u305f\u6570\u5024\u30922\u500d\u3057\u3066\u533f\u540d\u95a2\u6570\u306b\u6e21\u3059\nend\n\n#10\u3068\u8868\u793a\u3055\u308c\u308b\nprint func( 4 ) { | num |\n  num + 2 #2\u8db3\u3057\u3066\u8fd4\u3059\n}\n#\u3082\u3057\u304f\u306f\nfunc( 4 ) do | num |\n  num + 2 #2\u8db3\u3057\u3066\u8fd4\u3059\nend<\/pre>\n\u3053\u306e\u8868\u8a18\u306b\u3088\u308a\u3001\u4ed6\u306e\u8a00\u8a9e\u3068\u6bd4\u3079\u3066\u3001\u533f\u540d\u95a2\u6570\u306e\u8a18\u8ff0\u91cf\u304c\u6e1b\u308a\u3001for\u306a\u3069\u3067\u898b\u6163\u308c\u3066\u3044\u308b\u30d6\u30ed\u30c3\u30af\u8a18\u8ff0\u3067\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Ruby\u6a19\u6e96\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u914d\u5217\u306e\u8981\u7d20\u3092\u56de\u3063\u3066\u51e6\u7406\u3059\u308bmap\u306e\u3088\u3046\u306a\u95a2\u6570\u3060\u3051\u3067\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u969b\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u6709\u52b9\u7bc4\u56f2\u3092\u30d6\u30ed\u30c3\u30af\u5185\u306b\u9650\u5b9a\u3059\u308b\u3068\u3044\u3046\u3088\u3046\u306a\u4f7f\u308f\u308c\u65b9\u3082\u3057\u3066\u3044\u307e\u3059\u3002
\n
\n2\u3064\u76ee\u306f\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u4ee3\u5165\u306e\u3088\u3046\u306a\u6f14\u7b97\u5b50\u5f0f\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u304c\u884c\u3048\u308b\u70b9\u3067\u3059\u3002
\n
class Test\n  attr_accessor :length #setter,getter\u3092\u81ea\u52d5\u5b9a\u7fa9\n\n  def initialize()\n    @length = 0\n  end\n\n  #\u3088\u304f\u3042\u308b\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u308b\u6f14\u7b97\u5b50\n  def +( other )  # a + b\n  end\n  def -@ # -a\n  end\n\n  #\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u4ee3\u5165\u3082\u30aa\u30fc\u30d0\u30e9\u30a4\u30c9\n  def hoge=( val )\n    puts val\n  end\n\n  def hoge()\n    'Hi!!'\n  end\nend\n\ntest = Test.new\nputs test.length # => 0\ntest.length = 4\nputs test.length # => 4\ntest.hoge= 'hello' # => hello\nputs test.hoge # => Hi!!<\/pre>\n\u4f7f\u7528\u3057\u305f\u3053\u3068\u306e\u3042\u308b\u8a00\u8a9e\u3067\u306f\u3001C++\u4ee5\u6765\u306e\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u53ef\u80fd\u306a\u8a00\u8a9e\u3067\u3057\u305f\u3002Ruby\u306f\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u4ee3\u5165\u306e\u6f14\u7b97\u5b50\u304c\u5b9a\u7fa9\u53ef\u80fd\u306a\u306e\u304c\u7279\u5fb4\u3067\u3001setter\u30e1\u30bd\u30c3\u30c9\u304c\u5206\u304b\u308a\u3084\u3059\u304f\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u5f15\u6570\u304c\u306a\u3051\u308c\u3070\u30ab\u30c3\u30b3\u3092\u7701\u7565\u3067\u304d\u308b\u305f\u3081\u3001getter\u30e1\u30bd\u30c3\u30c9\u3082\u542b\u3081\u30e1\u30f3\u30d0\u5909\u6570\u3092\u6271\u3046\u3088\u3046\u306b\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u521d\u3081\u3066\u3053\u306e\u3088\u3046\u306agetter,setter\u30e1\u30bd\u30c3\u30c9\u3092\u898b\u305f\u6642\u306f\u6238\u60d1\u3044\u307e\u3057\u305f\u304c\u3001\u7406\u306b\u9069\u3063\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3057\u305f\u3002
\n
\n\u307e\u3060\u307e\u3060\u3001Ruby\u3092\u521d\u3081\u3066\u65e5\u306f\u6d45\u3044\u305f\u3081\u3001\u77e5\u3089\u306a\u3044\u3053\u3068\u3082\u591a\u3044\u3067\u3059\u304c\u3001Ruby\u3089\u3057\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8a18\u8ff0\u3067\u304d\u308b\u3088\u3046\u52c9\u5f37\u3057\u3066\u3044\u304d\u305f\u3044\u3067\u3059\u3002
\n
\n\u5165\u793e\u3057\u3066\u307e\u30602\u30f6\u6708\u534a\u7a0b\u5ea6\u3067\u3059\u304c\u3001\u643a\u308f\u3089\u305b\u3066\u9802\u3044\u3066\u3044\u308b\u958b\u767a\u3067\u306f\u3001\u4eca\u307e\u3067\u77e5\u3089\u306a\u304b\u3063\u305f\u5206\u91ce\u306b\u3064\u3044\u3066\u3082\u5b66\u3076\u3053\u3068\u304c\u3042\u308a\u3001\u5145\u5b9f\u3057\u305f\u65e5\u3005\u3092\u904e\u3054\u3057\u3066\u3044\u307e\u3059\u3002
\n
\n\u6b21\u56de\u306e\u6295\u7a3f\u3059\u308b\u6a5f\u4f1a\u304c\u3042\u308c\u3070\u3001\u3082\u3046\u5c11\u3057\u7406\u89e3\u306e\u6df1\u3044\u5206\u91ce\u306e\u6280\u8853\u306b\u3064\u3044\u3066\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u306f\u3058\u3081\u307e\u3057\u3066\u3001\u4eca\u5e74\u306e4\u6708\u306b\u5165\u793e\u3057\u307e\u3057\u305f\u3001t\u3067\u3059\u3002 \u5927\u5b66\u3092\u5352\u696d\u3057\u3066\u65b0\u5352\u3068\u3057\u3066\u5165\u793e\u3057 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":40,"featured_media":19329,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10,1],"tags":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/posts\/19175"}],"collection":[{"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/users\/40"}],"replies":[{"embeddable":true,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/comments?post=19175"}],"version-history":[{"count":7,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/posts\/19175\/revisions"}],"predecessor-version":[{"id":106238,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/posts\/19175\/revisions\/106238"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/media\/19329"}],"wp:attachment":[{"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/media?parent=19175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/categories?post=19175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.key-p.com\/blog\/staff\/wp-json\/wp\/v2\/tags?post=19175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}