Jotaiã¨Recoilã®é•ã„ã¯ä½•ã‹ã€string keysãŒä¸è¦ã¨ã„ã†ã®ã¯ã©ã†ã„ã†ã“ã¨ã‹Jotaiã¨Recoilã¯ä¼¼ã¦ã¾ã™ã€‚一方ã§ã€ç´°ã‹ã„é•ã„ã¯å¤šãã‚ã‚Šã¾ã™ã€‚決定的ãªé•ã„を一ã¤æŒ™ã’ã‚‹ã¨ã™ã‚Œã°ã€stringã‚’keyã«ã—ã¦ã„ã‚‹Recoilã«å¯¾ã—ã¦ã€Jotaiã¯atomã®object referenceã‚’keyã«ã—ã¦ã„ã¾ã™ã€‚表é¢çš„ã«ã¯string keyを指定ã—ãªãã¦è‰¯ã„手軽ã•ãŒå£²ã‚Šã«ãªã£ã¦ã„ã¾ã™ã€‚ よãã‚る比較： // Recoil const greeting = atom({ key: 'greeting', default: 'hello' }); // Jotai const greeting = atom('hello'); ã§ã¯ã€è¡¨é¢çš„ã§ã¯ãªã„é•ã„ã¯ä½•ã§ã—ょã†ã‹ã€‚ã‚‚ã†ä¸€ã¤ã®ãƒã‚¤ãƒ³ãƒˆã¯å†…部実装㫠Map ã§ã¯ãªã WeakMap を使ã£ã¦ã„ã‚‹ã“ã¨ã§ã™ã€‚ã¤ã¾ã‚Šã€atomã®referenceãŒç„¡ããªã‚Œã°Jotaiã®storeã‹ã‚‰ã‚‚ãã®ã†ã¡æ¶ˆãˆã‚‹ã¨ã„ã†ã“ã¨ã§ã™ã€‚
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