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authorEli Barzilay <eli@barzilay.org>2013-07-16 01:43:42 -0400
committerEli Barzilay <eli@barzilay.org>2013-07-16 01:43:42 -0400
commitcfc136dea86c465c6b38ffab41e9b0fe96a3efaf (patch)
tree8ee603d62c33a049a0d7bfcc24bb4eebf839feab /racket.html.markdown
parent3715c5c2b7523cb0f03ed927f9d42644b50ebf11 (diff)
Use idiomatic quoting for identifiers.
Diffstat (limited to 'racket.html.markdown')
-rw-r--r--racket.html.markdown44
1 files changed, 22 insertions, 22 deletions
diff --git a/racket.html.markdown b/racket.html.markdown
index 015467d9..02c3e228 100644
--- a/racket.html.markdown
+++ b/racket.html.markdown
@@ -101,7 +101,7 @@ some-var ; => 5
;; Accessing a previously unassigned variable is an exception
; x ; => x: undefined ...
-;; Local binding: me is bound to "Bob" only within (let ...)
+;; Local binding: `me' is bound to "Bob" only within the (let ...)
(let ([me "Bob"])
"Alice"
me) ; => "Bob"
@@ -119,7 +119,7 @@ my-pet ; => #<dog>
(dog-name my-pet) ; => "lassie"
;;; Pairs (immutable)
-;; "cons" constructs pairs, "car" and "cdr" extract the first
+;; `cons' constructs pairs, `car' and `cdr' extract the first
;; and second elements
(cons 1 2) ; => '(1 . 2)
(car (cons 1 2)) ; => 1
@@ -130,10 +130,10 @@ my-pet ; => #<dog>
;; Lists are linked-list data structures
(list 1 2 3) ; => '(1 2 3)
-;; Use "cons" to add an item to the beginning of a list
+;; Use `cons' to add an item to the beginning of a list
(cons 4 '(1 2 3)) ; => (4 1 2 3)
-;; Use "append" to add lists together
+;; Use `append' to add lists together
(append '(1 2) '(3 4)) ; => (1 2 3 4)
;;; Vectors
@@ -141,7 +141,7 @@ my-pet ; => #<dog>
;; Vectors are fixed-length arrays
#(1 2 3) ; => '#(1 2 3)
-;; Use "vector-append" to add vectors together
+;; Use `vector-append' to add vectors together
(vector-append #(1 2 3) #(4 5 6)) ; => #(1 2 3 4 5 6)
;;; Sets
@@ -149,13 +149,13 @@ my-pet ; => #<dog>
;; create a set from a list
(list->set '(1 2 3 1 2 3 3 2 1 3 2 1)) ; => (set 1 2 3)
-;; Add a member with "set-add"
+;; Add a member with `set-add'
(set-add (set 1 2 3) 4); => (set 1 2 3 4)
-;; Remove one with "set-remove"
+;; Remove one with `set-remove'
(set-remove (set 1 2 3) 1) ; => (set 2 3)
-;; Test for existence with "set-member?"
+;; Test for existence with `set-member?'
(set-member? (set 1 2 3) 1) ; => #t
(set-member? (set 1 2 3) 4) ; => #f
@@ -173,14 +173,14 @@ my-pet ; => #<dog>
;; You can provide a default value for missing keys
(hash-ref m 'd 0) ; => 0
-;; Use "hash-set" to extend a hash table
+;; Use `hash-set' to extend a hash table
(define m2 (hash-set m 'd 4))
m2 ; => '#hash((b . 2) (a . 1) (d . 4) (c . 3))
;; Remember, these hashes are immutable!
m ; => '#hash((b . 2) (a . 1) (c . 3))
-;; Use "hash-remove" to remove keys
+;; Use `hash-remove' to remove keys
(hash-remove m 'a) ; => '#hash((b . 2) (c . 3))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -230,16 +230,16 @@ m ; => '#hash((b . 2) (a . 1) (c . 3))
;; 4. Equality
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; for numbers use "="
+;; for numbers use `='
(= 3 3.0) ; => #t
(= 2 1) ; => #f
-;; for object identity use "eq?"
+;; for object identity use `eq?'
(eq? 3 3) ; => #t
(eq? 3 3.0) ; => #f
(eq? (list 3) (list 3)) ; => #f
-;; for collections use "equal?"
+;; for collections use `equal?'
(equal? (list 'a 'b) (list 'a 'b)) ; => #t
(equal? (list 'a 'b) (list 'b 'a)) ; => #f
@@ -261,7 +261,7 @@ m ; => '#hash((b . 2) (a . 1) (c . 3))
'nope)
; => 'yep
-;; "cond" chains a series of tests to select a result
+;; `cond' chains a series of tests to select a result
(cond [(> 2 2) (error "wrong!")]
[(< 2 2) (error "wrong again!")]
[else 'ok]) ; => 'ok
@@ -305,13 +305,13 @@ m ; => '#hash((b . 2) (a . 1) (c . 3))
(for/hash ([i '(1 2 3)])
(values i (number->string i))) ; => '#hash((1 . "1") (2 . "2") (3 . "3"))
-;; To combine iteration results, use "for/fold"
+;; To combine iteration results, use `for/fold'
(for/fold ([sum 0]) ([i '(1 2 3 4)])
(+ sum i)) ; => 10
;;; Sequences
-;; "for" allows iteration over sequences:
+;; `for' allows iteration over sequences:
;; lists, vectors, strings, sets, hash tables, etc...
(for ([i (in-list '(l i s t))])
(displayln i))
@@ -330,8 +330,8 @@ m ; => '#hash((b . 2) (a . 1) (c . 3))
;;; Exceptions
-;; To catch an exception, use the "with-handlers" form
-;; To throw an exception use "raise"
+;; To catch an exception, use the `with-handlers' form
+;; To throw an exception use `raise'
(with-handlers
([(lambda (v) (equal? v "infinity"))
(lambda (exn) +inf.0)])
@@ -349,7 +349,7 @@ n ; => 6
;; Many Racket datatypes can be immutable or mutable
;; (Pairs, Lists, Strings, Vectors, Hash Tables, etc...)
-;; Use "vector" to create a mutable vector
+;; Use `vector' to create a mutable vector
(define vec (vector 2 2 3 4))
;; Use vector-set! to update a slot
(vector-set! vec 0 1)
@@ -375,10 +375,10 @@ vec ; => #(1 2 3 4)
(printf fmt (make-string n ch))
(newline)))
-;; Use "require" to import all functions from the module
+;; Use `require' to import all functions from the module
(require 'cake)
(print-cake 3)
-; (show "~a" 1 #\A) ; => error, "show" was not exported
+; (show "~a" 1 #\A) ; => error, `show' was not exported
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 8. Classes and Objects
@@ -400,7 +400,7 @@ vec ; => #(1 2 3 4)
(define charlie
(new fish% [size 10]))
-;; Use "send" to call an object's methods
+;; Use `send' to call an object's methods
(send charlie grow 6)
(send charlie get-size) ; => 16