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authorMario Domenech Goulart <mario@parenteses.org>2022-01-03 17:39:50 +0100
committerGitHub <noreply@github.com>2022-01-04 00:39:50 +0800
commit353f9fca40c47d3cd7e3640d6de818a06db1f41b (patch)
tree6e83528e99e246d215b2bbdbdacfd6d38df91d47 /CHICKEN.html.markdown
parent6a111647579a2ac97f14a10e572be217cd3c514e (diff)
CHICKEN.html.markdown: adapt to CHICKEN 5 (#4154)
This change adapt the instructions to CHICKEN 5. Before it covered CHICKEN 4, which is an outdated version.
Diffstat (limited to 'CHICKEN.html.markdown')
-rw-r--r--CHICKEN.html.markdown16
1 files changed, 7 insertions, 9 deletions
diff --git a/CHICKEN.html.markdown b/CHICKEN.html.markdown
index 3f7cc2db..4ae45cac 100644
--- a/CHICKEN.html.markdown
+++ b/CHICKEN.html.markdown
@@ -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.
;; You can install Eggs with 'chicken-install <eggname>' command.
-;; 'numbers' egg provides support for full numeric tower.
-(require-extension numbers)
;; complex numbers
3+4i ;; => 3+2i
;; Supports fractions without falling back to inexact flonums
@@ -375,12 +373,12 @@ sqr ;; => #<procedure (sqr x)>
(numerator 2/3) ;; => 2
;; 'utf8' provides unicode support
-(require-extension utf8)
+(import utf8)
"\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
;; 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
(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
;; 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)
(count even? '(1 2 3 4 5)) ;; => 2
(take '(12 24 36 48 60) 3) ;; => (12 24 36)
(drop '(12 24 36 48 60) 2) ;; => (36 48 60)
(circular-list 'z 'q) ;; => z q z q ...
-(require-extension srfi-13) ;; string library
+(import srfi-13) ;; string library
(string-reverse "pan") ;; => "nap"
(string-index "Turkey" #\k) ;; => 3
(string-every char-upper-case? "CHICKEN") ;; => #t
@@ -448,7 +446,7 @@ sqr ;; => #<procedure (sqr x)>
; 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'
(module test (hello greet)
@@ -509,11 +507,11 @@ sqr ;; => #<procedure (sqr x)>
```
## 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)
## 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)