diff options
Diffstat (limited to 'CHICKEN.html.markdown')
| -rw-r--r-- | CHICKEN.html.markdown | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/CHICKEN.html.markdown b/CHICKEN.html.markdown index 080527a9..3f7cc2db 100644 --- a/CHICKEN.html.markdown +++ b/CHICKEN.html.markdown @@ -8,7 +8,7 @@ contributors: CHICKEN is an implementation of Scheme programming language that can compile Scheme programs to C code as well as interpret them. CHICKEN -supports RSR5 and RSR7 (work in progress) standards and many extensions. +supports R5RS and R7RS (work in progress) standards and many extensions. ```scheme @@ -81,7 +81,7 @@ supports RSR5 and RSR7 (work in progress) standards and many extensions. (string-append "pine" "apple") ;; => "pineapple" (string-ref "tapioca" 3) ;; => #\i;; character 'i' is at index 3 (string->list "CHICKEN") ;; => (#\C #\H #\I #\C #\K #\E #\N) -(string->intersperse '("1" "2") ":") ;; => "1:2" +(string-intersperse '("1" "2") ":") ;; => "1:2" (string-split "1:2:3" ":") ;; => ("1" "2" "3") @@ -235,12 +235,12 @@ sqr ;; => #<procedure (sqr x)> (= 2 1) ;; => #f ;; 'eq?' returns #t if two arguments refer to the same object in memory -;; In other words, it's a simple pointer comparision. +;; In other words, it's a simple pointer comparison. (eq? '() '()) ;; => #t ;; there's only one empty list in memory (eq? (list 3) (list 3)) ;; => #f ;; not the same object (eq? 'yes 'yes) ;; => #t (eq? 3 3) ;; => #t ;; don't do this even if it works in this case -(eq? 3 3.0) ;; => #f ;; it's better to use '=' for number comparisions +(eq? 3 3.0) ;; => #f ;; it's better to use '=' for number comparisons (eq? "Hello" "Hello") ;; => #f ;; 'eqv?' is same as 'eq?' all datatypes except numbers and characters @@ -255,7 +255,7 @@ sqr ;; => #<procedure (sqr x)> (equal? '(1 2 3) '(1 2 3)) ;; => #t (equal? #(a b c) #(a b c)) ;; => #t (equal? 'a 'a) ;; => #t -(equal? "abc" "abc") ;; => #f +(equal? "abc" "abc") ;; => #t ;; In Summary: ;; eq? tests if objects are identical @@ -510,7 +510,7 @@ sqr ;; => #<procedure (sqr x)> ``` ## Further Reading * [CHICKEN User's Manual](http://wiki.call-cc.org/man/4/The%20User%27s%20Manual). -* [RSR5 standards](http://www.schemers.org/Documents/Standards/R5RS) +* [R5RS standards](http://www.schemers.org/Documents/Standards/R5RS) ## Extra Info |