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mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2025-08-20 05:21:26 +02:00

Merge pull request #1695 from claudsonm/master

[paren/en] Fixing quotes inside comments and typing error
This commit is contained in:
Andre Polykanine A.K.A. Menelion Elensúlë
2016-03-15 14:42:39 +02:00

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@@ -4,6 +4,7 @@ language: Paren
filename: learnparen.paren filename: learnparen.paren
contributors: contributors:
- ["KIM Taegyoon", "https://github.com/kimtg"] - ["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. [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 ;; Accessing a previously unassigned variable is an exception
; x ; => Unknown variable: x : nil ; 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 ((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).) ;; Lists are vector-like data structures. (Random access is O(1).)
(cons 1 (cons 2 (cons 3 (list)))) ; => (1 2 3) (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) (list 1 2 3) ; => (1 2 3)
;; and a quote can also be used for a literal list value ;; and a quote can also be used for a literal list value
(quote (+ 1 2)) ; => (+ 1 2) (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) (cons 0 (list 1 2 3)) ; => (0 1 2 3)
;; Lists are a very basic type, so there is a *lot* of functionality for ;; Lists are a very basic type, so there is a *lot* of functionality for
@@ -106,7 +107,7 @@ some-var ; => 5
;; 3. Functions ;; 3. Functions
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Use `fn' to create functions. ;; Use 'fn' to create functions.
;; A function always returns the value of its last expression ;; A function always returns the value of its last expression
(fn () "Hello World") ; => (fn () Hello World) : fn (fn () "Hello World") ; => (fn () Hello World) : fn
@@ -117,7 +118,7 @@ some-var ; => 5
(set hello-world (fn () "Hello World")) (set hello-world (fn () "Hello World"))
(hello-world) ; => "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") (defn hello-world2 () "Hello World")
;; The () in the above is the list of arguments for the function ;; The () in the above is the list of arguments for the function
@@ -134,7 +135,7 @@ some-var ; => 5
;; 4. Equality ;; 4. Equality
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; for numbers use `==' ;; for numbers use '=='
(== 3 3.0) ; => true (== 3 3.0) ; => true
(== 2 1) ; => false (== 2 1) ; => false
@@ -166,7 +167,7 @@ some-var ; => 5
;; 6. Mutation ;; 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 5) ; => 5
(set n (inc n)) ; => 6 (set n (inc n)) ; => 6
n ; => 6 n ; => 6