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CHICKEN.html.markdown: adapt to CHICKEN 5 (#4154)

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This change adapt the instructions to CHICKEN 5.  Before it
covered CHICKEN 4, which is an outdated version.
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Mario Domenech Goulart 2022-01-03 17:39:50 +01:00 committed by GitHub
parent 6a11164757
commit 353f9fca40
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1 changed files with 7 additions and 9 deletions
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@ -362,8 +362,6 @@ sqr ;; => #<procedure (sqr x)>
;; The CHICKEN core is very minimal, but additional features are provided by library extensions known as Eggs. ;; The CHICKEN core is very minimal, but additional features are provided by library extensions known as Eggs.
;; You can install Eggs with 'chicken-install <eggname>' command. ;; You can install Eggs with 'chicken-install <eggname>' command.
;; 'numbers' egg provides support for full numeric tower.
(require-extension numbers)
;; complex numbers ;; complex numbers
3+4i ;; => 3+2i 3+4i ;; => 3+2i
;; Supports fractions without falling back to inexact flonums ;; Supports fractions without falling back to inexact flonums
@ -375,12 +373,12 @@ sqr ;; => #<procedure (sqr x)>
(numerator 2/3) ;; => 2 (numerator 2/3) ;; => 2
;; 'utf8' provides unicode support ;; 'utf8' provides unicode support
(require-extension utf8) (import utf8)
"\u03BBx:(\u03BC\u0251.\u0251\u2192\u0251).xx" ;; => "λx:(μɑ.ɑ→ɑ).xx" "\u03BBx:(\u03BC\u0251.\u0251\u2192\u0251).xx" ;; => "λx:(μɑ.ɑ→ɑ).xx"
;; 'posix' provides file I/O and lots of other services for unix-like operating systems ;; 'posix' provides file I/O and lots of other services for unix-like operating systems
;; Some of the functions are not available in Windows system, ;; Some of the functions are not available in Windows system,
;; See http://wiki.call-cc.org/man/4/Unit%20posix for more details ;; See http://wiki.call-cc.org/man/5/Module%20(chicken%20file%20posix) for more details
;; Open a file to append, open "write only" and create file if it does not exist ;; Open a file to append, open "write only" and create file if it does not exist
(define outfn (file-open "chicken-hen.txt" (+ open/append open/wronly open/creat))) (define outfn (file-open "chicken-hen.txt" (+ open/append open/wronly open/creat)))
@ -396,14 +394,14 @@ sqr ;; => #<procedure (sqr x)>
;; CHICKEN also supports SRFI (Scheme Requests For Implementation) extensions ;; CHICKEN also supports SRFI (Scheme Requests For Implementation) extensions
;; See 'http://srfi.schemers.org/srfi-implementers.html" to see srfi's supported by CHICKEN ;; See 'http://srfi.schemers.org/srfi-implementers.html" to see srfi's supported by CHICKEN
(require-extension srfi-1) ;; list library (import srfi-1) ;; list library
(filter odd? '(1 2 3 4 5 6 7)) ;; => (1 3 5 7) (filter odd? '(1 2 3 4 5 6 7)) ;; => (1 3 5 7)
(count even? '(1 2 3 4 5)) ;; => 2 (count even? '(1 2 3 4 5)) ;; => 2
(take '(12 24 36 48 60) 3) ;; => (12 24 36) (take '(12 24 36 48 60) 3) ;; => (12 24 36)
(drop '(12 24 36 48 60) 2) ;; => (36 48 60) (drop '(12 24 36 48 60) 2) ;; => (36 48 60)
(circular-list 'z 'q) ;; => z q z q ... (circular-list 'z 'q) ;; => z q z q ...
(require-extension srfi-13) ;; string library (import srfi-13) ;; string library
(string-reverse "pan") ;; => "nap" (string-reverse "pan") ;; => "nap"
(string-index "Turkey" #\k) ;; => 3 (string-index "Turkey" #\k) ;; => 3
(string-every char-upper-case? "CHICKEN") ;; => #t (string-every char-upper-case? "CHICKEN") ;; => #t
@ -448,7 +446,7 @@ sqr ;; => #<procedure (sqr x)>
; 9. Modules ; 9. Modules
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Also See http://wiki.call-cc.org/man/4/Modules ;; Also See http://wiki.call-cc.org/man/5/Modules
;; The 'test' module exports a value named 'hello' and a macro named 'greet' ;; The 'test' module exports a value named 'hello' and a macro named 'greet'
(module test (hello greet) (module test (hello greet)
@ -509,11 +507,11 @@ sqr ;; => #<procedure (sqr x)>
``` ```
## Further Reading ## Further Reading
* [CHICKEN User's Manual](http://wiki.call-cc.org/man/4/The%20User%27s%20Manual). * [CHICKEN User's Manual](https://wiki.call-cc.org/manual).
* [R5RS standards](http://www.schemers.org/Documents/Standards/R5RS) * [R5RS standards](http://www.schemers.org/Documents/Standards/R5RS)
## Extra Info ## Extra Info
* [For programmers of other languages](http://wiki.call-cc.org/chicken-for-programmers-of-other-languages) * [For programmers of other languages](https://wiki.call-cc.org/chicken-for-programmers-of-other-languages)
* [Compare CHICKEN syntax with other languages](http://plr.sourceforge.net/cgi-bin/plr/launch.py) * [Compare CHICKEN syntax with other languages](http://plr.sourceforge.net/cgi-bin/plr/launch.py)