{"id":573,"date":"2016-12-31T13:21:46","date_gmt":"2016-12-31T04:21:46","guid":{"rendered":"http:\/\/okamurax.com\/?p=573"},"modified":"2017-01-05T19:05:06","modified_gmt":"2017-01-05T10:05:06","slug":"ruby%e6%96%87%e6%b3%95%e5%9f%ba%e7%a4%8e","status":"publish","type":"post","link":"https:\/\/appbay.org\/?p=573","title":{"rendered":"Ruby\u6587\u6cd5\u57fa\u790e"},"content":{"rendered":"

\u753b\u9762\u51fa\u529b<\/h2>\n

puts \u6539\u884c\u3001print \u6539\u884c\u306a\u3057
\ngets \u5165\u529b
\np \u306fputs \u5909\u6570.inspect\u3068\u540c\u3058<\/p>\n

\u5909\u6570<\/h2>\n

\u30ed\u30fc\u30ab\u30eb\u5909\u6570<\/h2>\n

\u6ce8\u610f\u3001\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u4e0a\u4f4d\u306e\u30b9\u30b3\u30fc\u30d7\u3092\u63a2\u3055\u306a\u3044\u3002
\n\u30d6\u30ed\u30c3\u30af\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u30af\u30e9\u30b9\/\u30e2\u30b8\u30e5\u30fc\u30eb\u5b9a\u7fa9\u306e\u7d42\u308f\u308a\u307e\u3067\u3002<\/p>\n

class Hoge<\/span>
\n\u00a0\u3000\u3000x = “bye”<\/span>
\n\u3000\u3000def initialize<\/span>
\n\u3000\u3000\u3000\u3000x = “hello”<\/span>
\n\u3000\u3000\u3000\u3000puts x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nh = Hoge.new #=> hello<\/span><\/p>\n

\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/h2>\n

class User<\/span>
\n \u3000\u3000def say<\/span>
\n \u3000\u3000\u3000\u3000puts @x<\/span>
\n \u3000\u3000\u3000\u3000@x = “b”<\/span>
\n \u3000\u3000\u3000\u3000puts @x<\/span>
\n \u3000\u3000end<\/span>
\n \u3000\u3000def self.say2<\/span>
\n \u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000\u3000\u3000@x = “a”<\/span>
\n \u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span><\/p>\n

User::say2<\/span>
\n#=> \u7a7a\u767d<\/span>
\n#=> a<\/span>
\nu = User.new<\/span>
\nu.say<\/span>
\n#=> \u7a7a\u767d<\/span>
\n#=> b<\/span><\/p>\n

@\u3092\u524d\u7f6e\u3059\u308b
\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u4f5c\u3089\u308c\u306a\u3044\u3002\u5024\u306e\u4ee3\u5165\u6642\u306b\u5b9f\u4f53\u304c\u751f\u6210\u3055\u308c\u308b\u3002
\n\u30af\u30e9\u30b9\u5b9a\u7fa9\u5185\u3067\u5b9a\u7fa9\u3057\u306a\u3044\u3002
\n\u901a\u5e38\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u5b9a\u7fa9\u3059\u308b\u304c\u30b9\u30b3\u30fc\u30d7\u306f\u30af\u30e9\u30b9\u5185\u3068\u306a\u308b\u3002
\n\uff08\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306e\u5834\u5408\u30e1\u30bd\u30c3\u30c9\u5185\u3060\u3051\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\uff09
\n\u4f7f\u3048\u308b\u306e\u306finitialize\u30e1\u30bd\u30c3\u30c9\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u307f<\/p>\n

@\u524d\u7f6e\u304d\u306e\u5909\u6570\u3092\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u64cd\u4f5c\u3057\u3066\u3082\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5074\u306b\u5909\u66f4\u306f\u306a\u3044\u3002
\n\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u306e@\u524d\u7f6e\u304d\u306e\u5909\u6570\u306f\u30af\u30e9\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u3057\u3066\u52d5\u4f5c\u3057\u3066\u3044\u308b\u6a21\u69d8\u3002<\/p>\n

\u30af\u30e9\u30b9\u5909\u6570<\/h2>\n

class User<\/span>
\n\u3000\u3000@@x = “hello”<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @@x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def self.say2<\/span>
\n\u3000\u3000\u3000\u3000puts @@x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span><\/p>\n

User::say2 #=> hello
\n<\/span>u = User.new<\/span>
\nu.say #=> hello<\/span><\/p>\n

@@\u3092\u524d\u7f6e\u3057\u3066\u3001\u30af\u30e9\u30b9\u5b9a\u7fa9\u306e\u4e2d\u306b\u66f8\u304f\u3002
\n\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3001\u30af\u30e9\u30b9\u5b9a\u7fa9\u5f0f\u5185\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd<\/p>\n

\u30af\u30e9\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/h2>\n

class User<\/span>
\n\u3000\u3000@x = “hello”<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def self.say2<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span><\/p>\n

User::say2 #=> hello
\n<\/span>u = User.new<\/span>
\nu.say #=> \u00a0\u7a7a\u767d<\/span><\/p>\n

\u4f5c\u308a\u65b9\u306f\u3001@\u3092\u524d\u7f6e\u304d\u3059\u308b\u306e\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u4e00\u7dd2\u3067\u3001\u30af\u30e9\u30b9\u5b9a\u7fa9\u5185\u3067\u5b9a\u7fa9\u3059\u308b\u3060\u3051\u3002
\n\u6a5f\u80fd\u306f\u307b\u307c\u30af\u30e9\u30b9\u5909\u6570\u3002\u9055\u3044\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044<\/p>\n

\u30af\u30e9\u30b9\u30fb\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u307e\u3068\u3081<\/h2>\n

@\u3082@@\u3082\u30af\u30e9\u30b9\u5185\u30b9\u30b3\u30fc\u30d7
\n\u305f\u3060\u3001@@\u306f\u30af\u30e9\u30b9\u3067\u65e2\u306b\u5b9f\u4f53\u304c\u3042\u308b\u304c\u3001
\n@\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u5f8c\u3001\u3055\u3089\u306b\u4ee3\u5165\u306a\u3069\u306e\u51e6\u7406\u304c\u3042\u3063\u3066\u5b9f\u4f53\u304c\u3067\u304d\u308b\u3002<\/p>\n

\u4f8b\u3048\u3070\u3001
\nclass User<\/span>
\n\u3000\u3000@x = “hello”<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nu = User.new<\/span>
\nu.say<\/span>
\n\u3053\u308c\u3067\u306f\u7a7a\u767d\u304c\u51fa\u529b
\n@x\u3092@@x\u306b\u3059\u308c\u3070hello\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n

class User<\/span>
\n\u3000\u3000@@x = “hello”<\/span>
\n\u3000\u3000def self.fst<\/span>
\n\u3000\u3000\u3000\u3000@@x = “bye”<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @@x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nUser::fst<\/span>
\nu = User.new<\/span>
\nu.say #=> bye
\n<\/span>\u30af\u30e9\u30b9\u5909\u6570\u306f\u5b9f\u4f53\u304c\u30af\u30e9\u30b9\u306b\u3042\u308b\u306e\u3067\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u5909\u66f4\u5f8c
\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3068\u5909\u66f4\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u3002<\/p>\n

\u3064\u307e\u308a\u3001@\u3082@@\u3082\u30b9\u30b3\u30fc\u30d7\u306f\u30af\u30e9\u30b9\u306e\u5909\u6570\u3002
\n@\u3092\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u305f\u308a\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u5b9a\u7fa9\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9\u5909\u6570\u3068\u540c\u69d8\u306e\u30af\u30e9\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306b\u306a\u308b\u304c\u3001
\n\u5024\u3092\u5165\u308c\u3066\u304a\u3044\u3066\u3082\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u5024\u304c\u7834\u68c4\u3055\u308c\u308b\u3002
\n(\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u306e@\u3068\u30af\u30e9\u30b9\u306b\u3042\u308b@\u304c\u5225\u306e\u30b9\u30b3\u30fc\u30d7\u306e\u5225\u5909\u6570\u3068\u3057\u3066\u5b58\u5728\u3057\u3066\u3044\u308b)<\/p>\n

\u7d99\u627f\u306b\u3064\u3044\u3066\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3001@@\u306f\u7d99\u627f\u5f8c\u3082\u5024\u306f\u7834\u68c4\u3055\u308c\u306a\u3044\u304c\u3001
\n@\u306f\u7d99\u627f\u6642\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u3068\u540c\u3058\u3088\u3046\u306b\u7834\u68c4\u3055\u308c\u308b\u3002<\/p>\n

@\u3082@@\u3082\u5171\u306b\u30b9\u30b3\u30fc\u30d7\u306f\u30af\u30e9\u30b9\u306a\u306e\u3067\u3001@\u3092\u30af\u30e9\u30b9\u5909\u6570\u306e\u69d8\u306b\u4f7f\u3046\u3053\u3068\u3082\u53ef\u80fd\u3060\u304c\u3001
\n\u305d\u3046\u3059\u308b\u3068\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3084\u7d99\u627f\u6642\u306e\u52d5\u4f5c\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3002<\/p>\n

class User<\/span>
\n\u3000\u3000@x = “hello”<\/span>
\n\u3000\u3000def self.fst<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000\u3000\u3000@x = “bye”<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nUser::fst<\/span>
\nu = User.new<\/span>
\nu.say<\/span>
\n#=> hello<\/span>
\n#=> bye<\/span>
\n#=> \u7a7a\u767d<\/span>
\n@\u5909\u6570\u3092\u30af\u30e9\u30b9\u5909\u6570\u306e\u4ee3\u308f\u308a\u306b\u5229\u7528\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u4f7f\u308f\u306a\u3044\u306a\u3089\u554f\u984c\u306a\u3044\u3002<\/p>\n

\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570<\/h2>\n

$\u3092\u524d\u7f6e
\n\u30b9\u30b3\u30fc\u30d7\u7121\u8996<\/p>\n

\u30e2\u30b8\u30e5\u30fc\u30eb<\/h2>\n

module Hoge<\/span>
\n\u3000\u3000x = “hello”<\/span>
\n\u3000\u3000def self.say<\/span>
\n\u3000\u3000\u3000\u3000x = “bye”<\/span>
\n\u3000\u3000\u3000\u3000puts x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def sayHello<\/span>
\n\u3000\u3000\u3000\u3000puts “Hello Hello”<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nHoge::say #=> bye<\/span>
\n\u3053\u3053\u306ex\u306f\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3067\u3042\u3063\u3066\u3001\u30b9\u30b3\u30fc\u30d7\u5916\u306a\u306e\u3067x=bye\u304c\u306a\u3044\u3068\u30a8\u30e9\u30fc<\/p>\n

class HogeHoge<\/span>
\n\u3000\u3000include Hoge<\/span>
\nend<\/span>
\nHogeHoge::say<\/span>
\n\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306e\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u306a\u3044\u3002<\/p>\n

h = HogeHoge.new<\/span>
\nh.say #=> NG<\/span>
\nh.sayHello #=> Hello Hello<\/span>
\n\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u306a\u3044\u3002
\n\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u308b\u306e\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u307f<\/p>\n

module Fuga<\/span>
\n\u3000\u3000@x = “hey”<\/span>
\n\u3000\u3000def self.say<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nFuga::say #=> hello<\/span><\/p>\n

class FugaFuga<\/span>
\n\u3000\u3000include Fuga<\/span>
\n\u3000\u3000def say<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span><\/p>\n

f = FugaFuga.new<\/span>
\nf.say #=> \u7a7a\u767d<\/span>
\nFuga\u3067\u306e\u5909\u6570\u304c@@x\u306a\u3089hey\u3068\u8868\u793a\u3055\u308c\u308b
\n\u30df\u30c3\u30af\u30b9\u30a4\u30f3\u3067\u3082@@\u306f\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u308b\u3051\u3069\u3001@\u306f\u7834\u68c4\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n

\u6f14\u7b97\u5b50<\/h2>\n

=== \u306f\u3001\u307b\u3068\u3093\u3069 == \u3068\u540c\u3058\u3060\u3051\u3069\u3001
\n\u6b63\u898f\u8868\u73fe === \u5909\u6570 \u3060\u3068\u30de\u30c3\u30c1\u3059\u308b\u304b\u3069\u3046\u304b\u3001
\n\u30af\u30e9\u30b9 === \u5909\u6570 \u3060\u3068\u305d\u306e\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3069\u3046\u304b\u5224\u65ad\u3059\u308b\u3002<\/p>\n

\u578b<\/h2>\n

\u6570\u5024
\nFixnum<\/span>
\n Bignum<\/span>
\n Float<\/span><\/p>\n

\u578b\u306f\u306a\u3044\u306e\u3067\u81ea\u7531\u306a\u5024\u304c\u5165\u308b\u3002\u5165\u3063\u3066\u3044\u308b\u5024\u306b\u3088\u3063\u3066
\n\u6307\u3057\u793a\u3059\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5909\u308f\u308b\u3002<\/p>\n

\u578b\u306e\u81ea\u52d5\u5909\u63db\u306f\u306a\u3044\u306e\u3067\u3001
\nto_s<\/span>
\n to_f<\/span>
\n to_i<\/span><\/p>\n

\u6587\u5b57\u5217<\/h2>\n

\u9023\u7d50\u306f+<\/p>\n

“”\u306f\u5f0f\u5c55\u958b\u3042\u308a\u3000#{ xxx }
\n”\u306f\u5f0f\u5c55\u958b\u306a\u3057<\/p>\n

\u56f2\u3046<\/h2>\n

%q = ‘xxx’\u3068\u540c\u3058
\n%Q = “xxx”\u3068\u540c\u3058
\n% = “xxx”\u3068\u540c\u3058
\n%r{xxx} = \/xxx\/\u3068\u540c\u3058(\u6b63\u898f\u8868\u73fe)
\n%w(xxx,xxx,xxx) \u306f\u914d\u5217(W\u3060\u3068\u5f0f\u5c55\u958b\u3042\u308a)<\/p>\n

\u914d\u5217<\/h2>\n

[“dog”,”cat”]<\/span><\/p>\n

include?<\/span>
\n length<\/span>
\n empty?<\/span>
\n\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3002<\/p>\n

\u8ffd\u52a0\u306f <<<\/p>\n

\u8981\u7d20\u3092\u8d85\u3048\u3066\u3001\u53d6\u308a\u51fa\u3059\u3068nil\u3001\u52a0\u3048\u308b\u3068\u81ea\u52d5\u3067\u5927\u304d\u304f\u306a\u308b\u3002
\n\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u3089\u4f55\u3067\u3082\u306f\u3044\u308b\u3002<\/p>\n

\u6761\u4ef6\u5206\u5c90<\/h2>\n

0,\u3084\u7a7a\u6587\u5b57\u3082true\u306b\u306a\u308b\u3002false\u306fnil\u3068false\u3060\u3051\u3002
\n\u6bd4\u8f03\u6f14\u7b97\u5b50\u306ftrue\/false\u3092\u8fd4\u3059 b = (a == c)\u7b49
\n\u6761\u4ef6\u5206\u5c90\u306b\u5165\u308b\u3068\u3001\u771f\u507d\u554f\u308f\u305a\u3001\u30b9\u30b3\u30fc\u30d7\u306e\u4e2d\u306b\u3042\u308b\u5909\u6570\u306f\u521d\u671f\u5316\u3055\u308c\u308b\u3002<\/p>\n

\u30b9\u30b3\u30fc\u30d7<\/h2>\n

if,for,while,case
\n<\/span>\u306a\u3069\u306e\u6761\u4ef6\u5f0f\u3067\u3001\u30b9\u30b3\u30fc\u30d7\u3092\u4f5c\u3089\u306a\u3044\u3002<\/p>\n

\u30e1\u30bd\u30c3\u30c9\u3001\u30d6\u30ed\u30c3\u30af\u3067\u306f\u30b9\u30b3\u30fc\u30d7\u304c\u3067\u304d\u308b\u3002<\/p>\n

x = “hello”<\/span>
\ndef fnc<\/span>
\n\u3000\u3000x = “bye”<\/span>
\n\u3000\u3000puts x<\/span>
\nend<\/span>
\nputs x<\/span>
\nfnc<\/span>
\n#=> hello<\/span>
\n#=> bye<\/span><\/p>\n

\u9762\u767d\u3044\u306e\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3067\u3082\u540c\u3058\u3068\u3044\u3046\u3053\u3068
\n\u3053\u308c\u306f\u65e2\u306bmain\u3068\u3044\u3046\u30af\u30e9\u30b9\u306e\u4e2d\u306b\u3044\u308b\u304b\u3089\u3002<\/p>\n

@x = “hello”<\/span>
\ndef fnc<\/span>
\n\u3000\u3000@x = “bye”<\/span>
\n\u3000\u3000puts @x<\/span>
\nend<\/span>
\nputs @x<\/span>
\nfnc<\/span>
\n#=> hello<\/span>
\n#=> bye<\/span><\/p>\n

\u30af\u30e9\u30b9\u3067\u56f2\u3046\u3068\u3069\u3046\u306a\u308b\u304b\u3002<\/p>\n

class User<\/span>
\n\u3000\u3000@x = “hello” #<1><\/span>
\n\u3000\u3000def fnc<\/span>
\n\u3000\u3000\u3000\u3000\u3000@x = “bye”<\/span>
\n\u3000\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000puts @x #<2><\/span>
\nend<\/span>
\nu = User.new<\/span>
\nu.fnc<\/span>
\n#=> hello<\/span>
\n#=> bye<\/span><\/p>\n

\u3053\u306e\u7d50\u679c\u3082\u540c\u3058\u3060\u3051\u3069\u3001\u3053\u308c\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u3001class\u304c\u8a55\u4fa1\u3055\u308c\u3066\u3001
\n\u6700\u521d\u306ehello\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3002\u5b9f\u969b\u3001u.fnc\u3092\u547c\u3070\u306a\u304f\u3066\u3082hello\u306f\u51fa\u529b\u3055\u308c\u308b\u3057\u3001
\n<1><2>\u306e\u3069\u3061\u3089\u304b\u3092\u6d88\u3059\u3068hello\u3092\u51fa\u529b\u3055\u308c\u306a\u3044\u3002<\/p>\n

\u305d\u306e\u3042\u3068\u306ebye\u306f\u666e\u901a\u3069\u304a\u308a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089fnc\u3092\u547c\u3093\u3067\u3044\u308b\u304b\u3089\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n

\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u5f8c\u3082@x = “hello”\u306f\u751f\u304d\u3066\u3044\u308b\u3051\u3069\u3001\u305d\u308c\u306f\u30af\u30e9\u30b9\u306e\u30b9\u30b3\u30fc\u30d7\u3067\u3042\u3063\u3066
\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u5b58\u5728\u3057\u306a\u3044\u3002<\/p>\n

class User<\/span>
\n\u3000\u3000def fnc<\/span>
\n\u3000\u3000\u3000\u3000@x = “b”<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def fnc2<\/span>
\n\u3000\u3000\u3000\u3000puts @x<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nu = User.new<\/span>
\nu.fnc<\/span>
\nu.fnc2<\/span>
\n#=> b<\/span>
\n#=> b<\/span><\/p>\n

\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306f\u30af\u30e9\u30b9\u30b9\u30b3\u30fc\u30d7\u306a\u306e\u3067\u3001\u6700\u521dfnc\u3067b\u304c\u5165\u308a\u3001\u6b21\u306efnc2\u3067\u3082\u305d\u306e\u5024\u304c\u751f\u304d\u3066\u3044\u308b\u3002
\nfnc\u3092\u305b\u305a\u306bfnc2\u3092\u547c\u3076\u3068\u7a7a\u767d\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n

\u30e1\u30bd\u30c3\u30c9<\/h2>\n

\u9014\u4e2d\u3067\u629c\u3051\u308b\u5834\u5408 return\u3082\u4f7f\u3048\u308b\u3002
\n\u521d\u671f\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b
\ndef xx(var = “hello”)<\/span>
\n end<\/span><\/p>\n

\u5f15\u6570\u306e\u6570\u91cf\u4e0d\u5b9a\u306b\u3059\u308b\u3068\u914d\u5217\u306b\u306a\u308b
\ndef fuc(*var)<\/span>
\n end<\/span><\/p>\n

\u7b2c1\u5f15\u6570\u306ffst\u306b\u5165\u308a\u3001\u305d\u308c\u4ee5\u964d\u304cvar\u306e\u914d\u5217\u3078
\ndef fuc(fst, *var)<\/span>
\n end<\/span><\/p>\n

\u540d\u79f0\u306b\u3064\u3044\u3066
\n? = true\/false\u3092\u8fd4\u3059
\n! = \u7834\u58ca\u7684\u30e1\u30bd\u30c3\u30c9<\/p>\n

\u30d6\u30ed\u30c3\u30af<\/h2>\n

\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u6642\u306b\u5b9a\u7fa9\u3059\u308b\u3002\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3059\u51e6\u7406\u306e\u584a\u3002
\n\u6e21\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u306f\u306a\u304f\u3001\u30d6\u30ed\u30c3\u30af\u3092\u5b9a\u7fa9\u3057\u305f\u30b9\u30b3\u30fc\u30d7\u306b\u3044\u308b\u3002
\nyield\u3067\u30e1\u30bd\u30c3\u30c9\u5074\u304b\u3089\u30d6\u30ed\u30c3\u30af\u306b\u5f15\u6570\u3092\u6e21\u305b\u308b\u3002<\/p>\n

\u4f8b\u5916\u51e6\u7406<\/h2>\n

begin
\n<\/span>
\nrescue<\/span>
\n\u3000\u3000\u4f8b\u5916\u6642<\/span>
\nelse<\/span>
\n\u3000\u3000\u4f8b\u5916\u304c\u306a\u3044\u5834\u5408<\/span>
\n end<\/span><\/p>\n

\u30e1\u30bd\u30c3\u30c9\u306a\u3089
\ndef
\n<\/span>
\n rescue<\/span>
\n\u3000\u3000\u4f8b\u5916\u6642<\/span>
\n else<\/span>
\n\u3000\u3000\u4f8b\u5916\u304c\u306a\u3044\u5834\u5408<\/span>
\n end<\/span>
\n\u3068\u3082\u66f8\u3051\u308b\u3002<\/p>\n

rescue => \u5909\u6570\u3067\u53d6\u308a\u51fa\u3059\u3002<\/p>\n

\u30cf\u30c3\u30b7\u30e5<\/h2>\n

population = {“France”=>100}<\/span>
\n puts population [“France”]<\/span><\/p>\n

\u30ad\u30fc\u304c\u30b7\u30f3\u30dc\u30eb\u306a\u3089\u3001\u4ee5\u4e0b\u306e\u66f8\u304d\u65b9\u304c\u3067\u304d\u308b\u3002<\/p>\n

pop = {:fr => 100 }<\/span>
\n\u306a\u3089\u3001
\npop = { fr:100 }<\/span>
\n\u3068\u3067\u304d\u308b\u3002(\u30b9\u30da\u30fc\u30b9\u306f\u3044\u308c\u306a\u3044)<\/p>\n

\u53d6\u308a\u51fa\u3059\u3068\u304d\u306f
\npop [:fr]<\/span>
\n\u3068\u306a\u308b\u3002<\/p>\n

\u7bc4\u56f2<\/h2>\n

1..10 # 1\u304b\u308910\u307e\u3067
\n1…10 # 1\u304b\u30899\u307e\u3067<\/p>\n

\u6b63\u898f\u8868\u73fe<\/h2>\n

=~ \u3067\u6bd4\u8f03\u3067\u304d\u308b\u3002
\n!~ \u306f\u9006<\/p>\n

string.gsub\u3067\u7f6e\u304d\u63db\u3048\u3002<\/p>\n

\u65e5\u4ed8<\/h2>\n

\u65e5\u6642\u306fTime\u30af\u30e9\u30b9
\nDate\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u65e5\u4ed8\u3060\u3051\u3092\u6271\u3046<\/p>\n

\u65e5\u6642\u306e\u53d6\u308a\u51fa\u3057<\/p>\n

t = Time.now<\/span>
\n t.year<\/span>
\n t.month<\/span>
\n t.day<\/span>
\n t.hour<\/span>
\n t.min<\/span>
\n t.sec<\/span><\/p>\n

\u4f5c\u308b\u6642<\/p>\n

Time.local(2015,12,31,23,59,59)<\/span><\/p>\n

\u6574\u5f62\u306fstrftime<\/p>\n

t = Time.now<\/span>
\n t.strftime(“%Y\/%m\/%d %H:%M”)<\/span><\/p>\n

\u53c2\u7167\u6e21\u3057<\/h2>\n

\u53c2\u7167\u306e\u5024\u6e21\u3057\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n

str1 = “hello”<\/span>
\nstr2 = “goodbye”<\/span><\/p>\n

print “str1=”, str1.object_id, “\\n”<\/span>
\nprint “str2=”, str2.object_id, “\\n”<\/span><\/p>\n

str1 = str2 #\u3053\u3053\u3067str1\u3082str2\u3082”goodbye”\u3092\u6307\u3057\u3066\u3044\u308b<\/span>
\nstr1.upcase!<\/span><\/p>\n

print “str1=”, str1.object_id, “\\n”<\/span>
\nprint “str2=”, str2.object_id, “\\n”<\/span><\/p>\n

puts str1,str2<\/span><\/p>\n

str1=71129430<\/span>
\nstr2=71129420<\/span>
\nstr1=71129420<\/span>
\nstr2=71129420<\/span>
\nGOODBYE<\/span>
\nGOODBYE<\/span><\/p>\n

\u30af\u30e9\u30b9\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066<\/h2>\n

\u30c9\u30c3\u30c8\u8a18\u6cd5\u306f\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057
\n\u30ec\u30b7\u30fc\u30d0.\u30e1\u30bd\u30c3\u30c9<\/p>\n

\u4e8c\u91cd\u30b3\u30ed\u30f3\u306f
\n\u5b9a\u6570\u547c\u3073\u51fa\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u3082\u547c\u3079\u308b\u3002<\/p>\n

ruby\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u5185\u90e8\u7684\u306b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u30ea\u30f3\u30af\u3060\u3051\u3002
\n\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u306f\u30af\u30e9\u30b9\u306b\u6301\u3063\u3066\u3044\u308b\u3002<\/p>\n

\u305f\u3060\u3001\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u3060\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u7d10\u4ed8\u3044\u3066\u30af\u30e9\u30b9\u304b\u3089\u76f4\u63a5\u547c\u3079\u306a\u3044<\/p>\n

\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u30af\u30e9\u30b9\u304b\u3089\u547c\u3076NG
\nclass Hoge<\/span>
\n\u3000\u3000def piyo<\/span>
\n\u3000\u3000\u3000\u3000”hoge”<\/span>
\n\u3000\u3000end<\/span>
\nend
\n<\/span>p Hoge.piyo #=> undefined method<\/span><\/p>\n

\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u547c\u3076OK
\nclass Hoge<\/span>
\n\u3000\u3000def piyo<\/span>
\n\u3000\u3000\u3000\u3000”hoge”<\/span>
\n\u3000\u3000end<\/span>
\nend
\n<\/span>h = Hoge.new<\/span>
\np h.piyo #=> hoge<\/span><\/p>\n

\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u30af\u30e9\u30b9\u304b\u3089\u547c\u3076OK
\nclass Hoge<\/span>
\n\u3000\u3000def self.piyo<\/span>
\n\u3000\u3000\u3000\u3000”hoge”<\/span>
\n\u3000\u3000end<\/span>
\nend
\n<\/span>p Hoge.piyo #=> hoge<\/span><\/p>\n

\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u547c\u3076NG
\nclass Hoge<\/span>
\n\u3000\u3000def self.piyo<\/span>
\n\u3000\u3000\u3000\u3000”hoge”<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span>
\nh = Hoge.new<\/span>
\np h.piyo<\/span><\/p>\n

\u3068\u5206\u3051\u3089\u308c\u308b\u3002<\/p>\n

\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9<\/h2>\n

\u81ea\u52d5\u3067\u751f\u6210\u3057\u305f\u3044\u5834\u5408\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u540d\u524d\u3092\u30b7\u30f3\u30dc\u30eb\u3067\u6e21\u3059\u3002
\nattr_accessor :name<\/span><\/p>\n

\u305d\u3046\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\uff12\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u81ea\u52d5\u3067\u4f5c\u308b\u3002
\nname=(value) # setter<\/span>
\nname # getter<\/span><\/p>\n

\u5b9f\u4f53\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058
\nclass User<\/span>
\n\u3000\u3000def name<\/span>
\n\u3000\u3000\u3000\u3000@name<\/span>
\n\u3000\u3000end<\/span>
\n\u3000\u3000def name=(name)<\/span>
\n\u3000\u3000\u3000\u3000@name = name<\/span>
\n\u3000\u3000end<\/span>
\nend<\/span><\/p>\n

\u305d\u308c\u305e\u308c1\u3064\u3060\u3051\u3067\u3044\u3044\u5834\u5408\u3002
\nattr_reader :name<\/span>
\nattr_writer :name<\/span><\/p>\n

\u30af\u30e9\u30b9\u5185\u3067\u30a2\u30af\u30bb\u30c3\u30b5\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3076\u6642\u3001
\n\u30ec\u30b7\u30fc\u30d0\u3092\u7701\u7565\u3057\u3066\u547c\u3076\u3068\u3001\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3068\u307f\u306a\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f<\/p>\n

\u30e1\u30bd\u30c3\u30c9\u306e\u30a2\u30af\u30bb\u30b9\u7bc4\u56f2<\/h2>\n

public<\/span><\/p>\n

\u3069\u3053\u304b\u3089\u3067\u3082<\/p>\n

private<\/span><\/p>\n

\u540c\u30af\u30e9\u30b9\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304b\u3089\u8aad\u3081\u308b\u3002
\n\u30ec\u30b7\u30fc\u30d0\u4ed8\u3051\u3089\u308c\u306a\u3044\u3002\u95a2\u6570\u5f62\u5f0f\u3067\u3057\u304b\u547c\u3073\u51fa\u305b\u306a\u3044\u3002<\/p>\n

protected<\/span><\/p>\n

\u540c\u30af\u30e9\u30b9\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304b\u3089\u8aad\u3081\u308b
\n\u30ec\u30b7\u30fc\u30d0\u4ed8\u3051\u3089\u308c\u308b\u3002
\n\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cself\u306e\u5834\u6240\u3067\u306e\u307f\u547c\u3073\u51fa\u305b\u308b<\/p>\n","protected":false},"excerpt":{"rendered":"

\u753b\u9762\u51fa\u529b puts \u6539\u884c\u3001print \u6539\u884c\u306a\u3057 gets \u5165\u529b p \u306fputs \u5909\u6570.inspect\u3068\u540c\u3058 \u5909\u6570 \u30ed\u30fc\u30ab\u30eb\u5909\u6570 \u6ce8\u610f\u3001\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u4e0a\u4f4d\u306e\u30b9\u30b3\u30fc\u30d7\u3092\u63a2\u3055\u306a\u3044\u3002 \u30d6\u30ed\u30c3\u30af\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u30af\u30e9\u30b9\/\u30e2\u30b8\u30e5\u30fc\u30eb\u5b9a\u7fa9 … <\/p>\n

“Ruby\u6587\u6cd5\u57fa\u790e” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-573","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=573"}],"version-history":[{"count":17,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions"}],"predecessor-version":[{"id":639,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions\/639"}],"wp:attachment":[{"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}