diff options
| -rw-r--r-- | racket.html.markdown | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/racket.html.markdown b/racket.html.markdown index 526d008c..015467d9 100644 --- a/racket.html.markdown +++ b/racket.html.markdown @@ -70,7 +70,8 @@ Feedback is appreciated! You can reach me at [@th3rac25](http://twitter.com/th3r ;;; Strings are fixed-length array of characters. "Hello, world!" -"Benjamin \"Bugsy\" Siegel" ; backslash is an escaping character +"Benjamin \"Bugsy\" Siegel" ; backslash is an escaping character +"Foo\tbar\41\x21\u0021\a\r\n" ; includes C escapes, Unicode "λx:(μα.α→α).xx" ; any Unicode character can appear in a string constant ;; Strings can be added too! @@ -282,7 +283,7 @@ m ; => '#hash((b . 2) (a . 1) (c . 3)) ;; looping can be done through recursion (define (loop i) (when (< i 10) - (printf "i:~a~n" i) + (printf "i:~a\n" i) (loop (add1 i)))) (loop 5) ; => i:5 i:6 ... @@ -290,7 +291,7 @@ m ; => '#hash((b . 2) (a . 1) (c . 3)) ;; similarly, with a named let (let loop ((i 0)) (when (< i 10) - (printf "i:~a~n" i) + (printf "i:~a\n" i) (loop (add1 i)))) ; => i:0 i:1 ... ;;; Comprehensions @@ -325,7 +326,7 @@ m ; => '#hash((b . 2) (a . 1) (c . 3)) (displayln i)) (for ([(k v) (in-hash (hash 'a 1 'b 2 'c 3 ))]) - (printf "key:~a value:~a ~n" k v)) + (printf "key:~a value:~a\n" k v)) ;;; Exceptions @@ -431,7 +432,7 @@ vec ; => #(1 2 3 4) (define a 2) (define b 3) (swap a b) -(printf "tmp = ~a; a = ~a; b = ~a~n" tmp a b) ; tmp is unaffected by swap +(printf "tmp = ~a; a = ~a; b = ~a\n" tmp a b) ; tmp is unaffected by swap ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 10. Contracts |