Route 477(2012-01-10)â– [scheme] R6RS Enumerationsã«é–¢ã™ã‚‹èª¿æŸ» ã¨ã„ã†ãƒ¡ãƒ¢ãŒè¦‹ã¤ã‹ã£ãŸã®ã§è²¼ã£ã¦ãŠã。 http://www.r6rs.org/final/html/r6rs-lib/r6rs-lib-Z-H-15.html#node_chap_14 Recordsã»ã©ã§ã¯ãªã„ãŒãªã‚“ã‹ç„¡é§„ã«ã‚„ã‚„ã“ã—ã„よã†ãªâ€¦ å‚考 ypsilonã®å®Ÿè£… (define-struct enum-type (universe members indexer constructor)) (define-struct enum-set (type members)) åž‹ å„enum-setã¯members(シンボルã®ãƒªã‚¹ãƒˆ)ã¨type(enum-type)ã‚’ã‚‚ã¤ã€‚ å„enum-typeã¯universe(æ¯é›†åˆã¨ãªã‚‹ã‚·ãƒ³ãƒœãƒ«ã®ãƒªã‚¹ãƒˆ)ã€members(??)ã€indexer(シンボルã‹ã‚‰ç•ªå·ã‚’è¿”ã™æ‰‹ç¶šã)ã€
{{#tags}}- {{label}}
{{/tags}}