Ruby 2.6 ã®å¤‰æ›´ç‚¹ - Array - tmtms ã®ãƒ¡ãƒ¢Ruby2.6アドベントカレンダーã®3日目ã®è¨˜äº‹ã§ã™ã€‚ qiita.com Array Array#union è¿½åŠ Array#difference è¿½åŠ Array#filter, Array#filter! è¿½åŠ Array#to_h ã«ãƒ–ãƒãƒƒã‚¯ã‚’渡ã™ã¨ã‚ーã¨å€¤ã‚’変æ›ã§ãã‚‹ Array Array#union è¿½åŠ https://bugs.ruby-lang.org/issues/14097 引数ã«æŒ‡å®šã—ãŸé…列をçµåˆã—ãŸæ–°ã—ã„é…列オブジェクトを返ã—ã¾ã™ã€‚é‡è¤‡ã—ãŸè¦ç´ ã¯å‰Šé™¤ã•ã‚Œã¾ã™ã€‚ ary1 = [1, 2, 3] ary2 = ary1.union([2, 3, 4, 5]) ary1 #=> [1, 2, 3] ary2 #=> [1, 2, 3, 4, 5] 複数ã®é…列を指定ã§ãã‚‹ã“ã¨ä»¥å¤–㯠Array#| ã¨åŒã˜ã€‚ Array#difference è¿½åŠ https://b
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