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Merge pull request #1695 from claudsonm/master
[paren/en] Fixing quotes inside comments and typing error
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@@ -4,6 +4,7 @@ language: Paren
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filename: learnparen.paren
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filename: learnparen.paren
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contributors:
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contributors:
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- ["KIM Taegyoon", "https://github.com/kimtg"]
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- ["KIM Taegyoon", "https://github.com/kimtg"]
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- ["Claudson Martins", "https://github.com/claudsonm"]
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---
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---
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[Paren](https://bitbucket.org/ktg/paren) is a dialect of Lisp. It is designed to be an embedded language.
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[Paren](https://bitbucket.org/ktg/paren) is a dialect of Lisp. It is designed to be an embedded language.
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@@ -77,7 +78,7 @@ some-var ; => 5
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;; Accessing a previously unassigned variable is an exception
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;; Accessing a previously unassigned variable is an exception
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; x ; => Unknown variable: x : nil
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; x ; => Unknown variable: x : nil
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;; Local binding: Use lambda calculus! `a' and `b' are bound to `1' and `2' only within the (fn ...)
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;; Local binding: Use lambda calculus! 'a' and 'b' are bound to '1' and '2' only within the (fn ...)
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((fn (a b) (+ a b)) 1 2) ; => 3
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((fn (a b) (+ a b)) 1 2) ; => 3
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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@@ -88,12 +89,12 @@ some-var ; => 5
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;; Lists are vector-like data structures. (Random access is O(1).)
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;; Lists are vector-like data structures. (Random access is O(1).)
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(cons 1 (cons 2 (cons 3 (list)))) ; => (1 2 3)
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(cons 1 (cons 2 (cons 3 (list)))) ; => (1 2 3)
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;; `list' is a convenience variadic constructor for lists
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;; 'list' is a convenience variadic constructor for lists
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(list 1 2 3) ; => (1 2 3)
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(list 1 2 3) ; => (1 2 3)
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;; and a quote can also be used for a literal list value
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;; and a quote can also be used for a literal list value
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(quote (+ 1 2)) ; => (+ 1 2)
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(quote (+ 1 2)) ; => (+ 1 2)
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;; Can still use `cons' to add an item to the beginning of a list
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;; Can still use 'cons' to add an item to the beginning of a list
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(cons 0 (list 1 2 3)) ; => (0 1 2 3)
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(cons 0 (list 1 2 3)) ; => (0 1 2 3)
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;; Lists are a very basic type, so there is a *lot* of functionality for
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;; Lists are a very basic type, so there is a *lot* of functionality for
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@@ -106,7 +107,7 @@ some-var ; => 5
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;; 3. Functions
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;; 3. Functions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Use `fn' to create functions.
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;; Use 'fn' to create functions.
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;; A function always returns the value of its last expression
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;; A function always returns the value of its last expression
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(fn () "Hello World") ; => (fn () Hello World) : fn
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(fn () "Hello World") ; => (fn () Hello World) : fn
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@@ -117,7 +118,7 @@ some-var ; => 5
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(set hello-world (fn () "Hello World"))
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(set hello-world (fn () "Hello World"))
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(hello-world) ; => "Hello World"
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(hello-world) ; => "Hello World"
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;; You can shorten this using the function definition syntatcic sugae:
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;; You can shorten this using the function definition syntactic sugar:
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(defn hello-world2 () "Hello World")
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(defn hello-world2 () "Hello World")
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;; The () in the above is the list of arguments for the function
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;; The () in the above is the list of arguments for the function
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@@ -134,7 +135,7 @@ some-var ; => 5
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;; 4. Equality
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;; 4. Equality
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; for numbers use `=='
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;; for numbers use '=='
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(== 3 3.0) ; => true
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(== 3 3.0) ; => true
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(== 2 1) ; => false
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(== 2 1) ; => false
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@@ -166,7 +167,7 @@ some-var ; => 5
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;; 6. Mutation
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;; 6. Mutation
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Use `set' to assign a new value to a variable or a place
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;; Use 'set' to assign a new value to a variable or a place
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(set n 5) ; => 5
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(set n 5) ; => 5
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(set n (inc n)) ; => 6
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(set n (inc n)) ; => 6
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n ; => 6
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n ; => 6
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