diff options
| -rw-r--r-- | paren.html.markdown | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/paren.html.markdown b/paren.html.markdown index cde14853..701cadfd 100644 --- a/paren.html.markdown +++ b/paren.html.markdown @@ -4,6 +4,7 @@ language: Paren filename: learnparen.paren contributors: - ["KIM Taegyoon", "https://github.com/kimtg"] + - ["Claudson Martins", "https://github.com/claudsonm"] --- [Paren](https://bitbucket.org/ktg/paren) is a dialect of Lisp. It is designed to be an embedded language. @@ -77,7 +78,7 @@ some-var ; => 5 ;; Accessing a previously unassigned variable is an exception ; x ; => Unknown variable: x : nil -;; Local binding: Use lambda calculus! `a' and `b' are bound to `1' and `2' only within the (fn ...) +;; Local binding: Use lambda calculus! 'a' and 'b' are bound to '1' and '2' only within the (fn ...) ((fn (a b) (+ a b)) 1 2) ; => 3 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; @@ -88,12 +89,12 @@ some-var ; => 5 ;; Lists are vector-like data structures. (Random access is O(1).) (cons 1 (cons 2 (cons 3 (list)))) ; => (1 2 3) -;; `list' is a convenience variadic constructor for lists +;; 'list' is a convenience variadic constructor for lists (list 1 2 3) ; => (1 2 3) ;; and a quote can also be used for a literal list value (quote (+ 1 2)) ; => (+ 1 2) -;; Can still use `cons' to add an item to the beginning of a list +;; Can still use 'cons' to add an item to the beginning of a list (cons 0 (list 1 2 3)) ; => (0 1 2 3) ;; Lists are a very basic type, so there is a *lot* of functionality for @@ -106,7 +107,7 @@ some-var ; => 5 ;; 3. Functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; Use `fn' to create functions. +;; Use 'fn' to create functions. ;; A function always returns the value of its last expression (fn () "Hello World") ; => (fn () Hello World) : fn @@ -117,7 +118,7 @@ some-var ; => 5 (set hello-world (fn () "Hello World")) (hello-world) ; => "Hello World" -;; You can shorten this using the function definition syntatcic sugae: +;; You can shorten this using the function definition syntactic sugar: (defn hello-world2 () "Hello World") ;; The () in the above is the list of arguments for the function @@ -134,7 +135,7 @@ some-var ; => 5 ;; 4. Equality ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; for numbers use `==' +;; for numbers use '==' (== 3 3.0) ; => true (== 2 1) ; => false @@ -166,7 +167,7 @@ some-var ; => 5 ;; 6. Mutation ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; Use `set' to assign a new value to a variable or a place +;; Use 'set' to assign a new value to a variable or a place (set n 5) ; => 5 (set n (inc n)) ; => 6 n ; => 6 |