LiveScript - Programming language

terminal edit

LiveScript is an open source programming language created in 2011 by Jeremy Ashkenas and Satoshi Murakami and George Zahariev.

#483on PLDB

13Years Old

2kRepos

REPL · Wikipedia

LiveScript is a functional programming language that compiles to JavaScript. It was created by Jeremy Ashkenas—the creator of CoffeeScript—along with Satoshi Muramaki, George Zahariev, and many others. For a brief period in the 1990s, LiveScript was the name of JavaScript.. Read more on Wikipedia...

Tags: programming language
There are at least 1,905 LiveScript repos on GitHub
Early development of LiveScript happened in https://github.com/gkz/LiveScript/issues
The Google BigQuery Public Dataset GitHub snapshot shows 2k users using LiveScript in 2k repos on GitHub
Explore LiveScript snippets on Rosetta Code
Pygments supports syntax highlighting for LiveScript
GitHub supports syntax highlighting for LiveScript
There is 1 Jupyter Kernel for LiveScript
See also: (5 related languages) JavaScript, Haskell, CoffeeScript, F#, Elixir
1 PLDB concepts link to LiveScript: Civet

Example from Riju:

console.log "Hello, world!"

Example from hello-world:

console.log "Hello World"

Example from Linguist:

a = -> 1
const b = --> 2
var c = ~> 3
d = ~~> 10_000_000km * 500ms
e = (a) -> (b) ~> (c) --> (d, e) ~~> 5
dashes-identifiers = ->
  a - a
  b -- c
  1-1 1- -1
  a- a
  a -a
underscores_i$d = ->
/regexp1/ and //regexp2//g
'strings' and "strings" and \strings
([2 til 10] or [1 to 50])
  |> map (* 2)
  |> filter (> 5)
  |> fold (+)

class Class extends Anc-est-or
  (args) ->

copy = (from, to, callback) -->
  error, data <- read file
  return callback error if error?
  error <~ write file, data
  return callback error if error?
  callback()

->
~>
~~>
-->
# Comment
/* Comment */

Language features

Feature	Supported	Example	Token
Integers	✓	# [0-9]+(~[0-9a-z]+)?(?:[a-zA-Z_]+)?
Floats	✓	# [0-9]+\.[0-9]+([eE][0-9]+)?[fd]?(?:[a-zA-Z_]+)?
Strings	✓	"Hello world"	"
MultiLine Comments	✓	/* A comment */	/* */
Print() Debugging	✓		console.log
Comments	✓	# A comment
Line Comments	✓	# A comment	#
Semantic Indentation	✓