RosettaCodeData/Task/UTF-8-encode-and-decode/Racket/utf-8-encode-and-decode.rkt

18 lines
648 B
Racket

#lang racket
(define char-map
'((LATIN-CAPITAL-LETTER-A . #\U0041)
(LATIN-SMALL-LETTER-O-WITH-DIAERESIS . #\U00F6)
(CYRILLIC-CAPITAL-LETTER-ZHE . #\U0416)
(EURO-SIGN . #\U20AC)
(MUSICAL-SYMBOL-G-CLEF . #\U1D11E)))
(for ((name.char (in-list char-map)))
(define name (car name.char))
(define chr (cdr name.char))
(let ((bites (bytes->list (string->bytes/utf-8 (list->string (list chr))))))
(printf "~s\t~a\t~a\t~a\t~a~%" chr chr
(map (curryr number->string 16) bites)
(bytes->string/utf-8 (list->bytes bites))
name)))