Writableã¯ä½•ã®ãŸã‚？ - uehaj's blogGroovyã«ã¯groovy.lang.Writableã¨ã„ã†ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ãŒã‚ã‚Šã¾ã™ã€‚定義ã¯ä»¥ä¸‹ã®æ„Ÿã˜ã€‚ package groovy.lang; interface Writable { Writer writeTo(Writer out); } ã¾ãŸã€ã‚¯ãƒãƒ¼ã‚¸ãƒ£ã«ã¯asWritable()ã¨ã„ã†ãƒ¡ã‚½ãƒƒãƒ‰ãŒã‚ã‚Šã€ã€Œã‚¯ãƒãƒ¼ã‚¸ãƒ£å¼•æ•°ã§ã‚る出力ストリームoutã«å¯¾ã—ã¦å‡ºåŠ›å‡¦ç†ã‚’è¡Œã†ã‚¯ãƒãƒ¼ã‚¸ãƒ£ã€ã‚’ã€Writableインターフェースを実装ã—ãŸã‚¯ãƒ©ã‚¹ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã«å¤‰æ›ã—ã¾ã™ã€‚ã¤ã¾ã‚Šã€ x = { out -> /* outã«å¯¾ã™ã‚‹å‡ºåŠ›å‡¦ç† */ }.asWritable() ã¯ã€ class Hoge implements Writable { Writer writeTo(Writer out) { /* outã«å¯¾ã™ã‚‹å‡ºåŠ›å‡¦ç† */ } } x = new Hoge() ã¨ã ã„ãŸã„ç‰ä¾¡ã§ã™
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