for-in bug fix
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Onoshko Dan
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README.md
327
README.md
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@ -2,7 +2,9 @@
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ColaScript is a language that compiles in JavaScript. This language is similar to Dart, CoffeeScript, Python and PHP, with some original ideas. Compiler based on [UglifyJS2](https://github.com/mishoo/UglifyJS2). In present time compiler in development. Play with language you can [here](http://develop.trigen.pro/cola/).
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# Install
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Install
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===
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First make sure you have installed the latest version of [node.js](http://nodejs.org/)
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(You may need to restart your computer after this step).
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@ -21,39 +23,205 @@ From Git:
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cd ColaScript
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npm link .
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Usage same as in [UglifyJS2](https://github.com/mishoo/UglifyJS2), except:
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# to do:
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-j, --js, --javascript Work with JavaScript (by default Cola will
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expect ColaScript). [boolean]
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-n, --no-main-binding Disable `main` binding. [boolean]
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Simple example of usage:
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cola main.cola -o main.min.js -m -c
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In browser
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===
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In developing more comfortable to compile the code directly in your browser, for this add `browser-cola.js` to `your.html` code:
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<script src="path/to/browser-cola.js"></script>
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Now you can run your Cola-Code:
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<script type="text/colascript" src="path/to/your.cola"></script>
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If `your.cola` depends on other scripts in `your.html`, better to notice `browser-cola` about it:
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<script type="text/colascript" src="angular.min.js"></script>
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<script type="text/colascript" src="path/to/your.cola"></script>
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Overview
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===
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## Need to know:
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- not always valid-javascript is valid-colascript
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- semicolon is always required
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- in present time typing is just syntax
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## Variables
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In current version you can set any type which you want, frankly speaking is not good.. In future we will have static typing.
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var num = 1; // valid JavaScript
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int i, j = 3;
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String str = `someString`; // yes, you can use ` quotes
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In ColaScript, like in CoffeScript, exists boolean-aliases:
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yes == on == true;
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no == off == false
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## Strings
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We have templating! We can paste variable in string:
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console.log("my login in twitter \@@twLogin");
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Also we can paset expression this way:
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console.log("length of my name @{ name.length }");
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and this way:
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console.log("first letter in my name is {{ name[0] }}");
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Still possible to use raw strings:
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console.log(r"\n\r\t@raw");
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Any string in ColaScript is multiline:
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console.log("
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List1:
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- Write code
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- Drink tea
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- Watch Instagram
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List2
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* Write code
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* Read Habrahabr
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* Listen music
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");
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align goes by closing-quote.
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## RegExps
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Modifer `x` skips whitespaces and new-line same as if you use multiline RegExp:
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RegExp url = /
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^
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(https?:\/\/)?
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([\w\.]+)
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\.([a-z]{2,6}\.?)
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(\/[\w\.]*)*\/?
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$/;
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## Arrays
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Most of array features was taken from CoffeeScript:
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Array arr = [0..9]; // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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// same as
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Array arr = [0...10];
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arr[0..2] = [584, 404]; // [584, 404, 3, 4, 5, 6, 7, 8, 9]
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console.log(arr[0..2]); // [584, 404]
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one feature getted from PHP:
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arr[] = 22; // [584, 404, 3, 4, 5, 6, 7, 8, 9, 22]
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absolutely new feature is:
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console.log(arr[]); // 22
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## Functions
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You have opportunity to declarate functions without `function` keyword, with and without type:
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function f1(){
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}
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void f2(){
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}
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f2(){
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}
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From Dart we borrowd arrow-functions:
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helloString(name) => "Hello @name!";
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Arguments have `positional` or `named` types and can have default value:
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hello(String name:) => console.log("Hello @name!");
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hello(name: 'dangreen'); // Hello dangreen!
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hello(name: "World") => console.log("Hello @name!");
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hello(); // Hello World!
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// or
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hello(String name = "World") => console.log("Hello @name!");
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hello('dangreen'); // Hello dangreen!
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hello(); // Hello World!
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As in CoffeScript we can declare `splated` argument
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info(name, skills...){
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console.log("My name is @name, my skills:");
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skills.forEach((skill) => console.log("@skill,"));
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}
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All `main` functions in root namespace will bind on `DOMContentLoaded` event:
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// lib.cola
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main(){
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console.log('Hello World from lib.cola!');
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}
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// main.cola
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@require "lib.cola";
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main(){
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console.log('Hello World!');
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}
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- semicolon is always required, status: done
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## Operators:
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### Unary
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- `varname??` and alternative `isset varname` - which is better? status: done
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- `isset` operator, `??` alternative - which is better?
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bool exist = SOME??;
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bool exist2 = isset SOME;
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bool a = true, b;
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console.log(isset a ? "seted" : "not seted"); // seted
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console.log(isset b ? "seted" : "not seted"); // not seted
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- `clone`, status: done
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- `clone` of variable:
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a = [];
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b = [];
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Array b = clone a;
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Array a = [], b = clone a;
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b[0] = 584; // a == []
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if object have method `__clone__`, object will be copied with it.
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### Binary
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- `**`, status: done
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- Math.pow operator:
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int pow = 5 ** 2; // 25
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- `%%`, status: done
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- CoffeeScript's modulo operator:
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int modulo = 5 %% 3; // 2
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- `?=`, status: done
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- Existential assignment from CoffeeScript:
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var undef, def = 5;
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@ -131,12 +299,6 @@ From Git:
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## Vars
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- declaration with type, status: done, only declaration
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int b = 584;
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Array arr = [];
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Object obj = {};
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String str = "";
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- multiple assignment, status: done
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@ -144,122 +306,6 @@ From Git:
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var {poet: {String name, address: [street, city]}} = futurists;
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[a, ..., b] = someArray;
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### bool
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- aliases, status: done
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yes === on === true;
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no === off === false;
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### String
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- \` new string \`, status: done
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String name = `dangreen`;
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- multiline, status: done
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String ml = "
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Lorem ipsum,
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Lorem ipsum.
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";
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- raw, status: done
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String str = r"\n \r"; // "\\n \\r"
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- templating, status: done
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String name = "dan";
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console.log("My name is @name."); // My name is dan.
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name = "eric";
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console.log("My name is @name."); // My name is eric.
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console.log("My name is @{name.capitalize()} or {{name.capitalize()}}"); // My name is Eric.
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### RegExp
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- multiline ( and x flag ), status: done
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RegExp re = /
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([^\d]+)-
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(\w+)
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/gx;
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### Arrays
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- pushing and getting last, status: done
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var arr = [3, 5, 6, 7];
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arr[] = 4; // [3, 5, 6, 7, 4]
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console.log(arr[]); // 4
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- part assignment, status: done
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arr[0..2] = [0,1]; // [0, 1, 7, 4]
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arr[0..2] = []; // [7, 4]
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- slice, status: done
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arr = arr[0..2];
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- inline array ranging, status: done
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arr = [10..1]; // [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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arr = [1..10]; // [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
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### Functions
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- without `function` keyword, status: done
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void main(){
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console.log('Hello World!');
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}
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- binding toplevel `main` functions to onload event, status: done
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// lib.cola
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main(){
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console.log('Hello World from lib.cola!');
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}
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// main.cola
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require "./lib.cola";
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main(){
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console.log('Hello World!');
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}
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- arrow functions, status: done
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print(str) => console.log(str);
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- named arguments, status: done
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hello(String name:) => console.log("Hello @name!");
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hello(name: 'dangreen'); // Hello dangreen!
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hello(name: "World") => console.log("Hello @name!");
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hello(); // Hello World!
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- defaults for positional arguments, status: done
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hello(String name = "World") => console.log("Hello @name!");
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hello('dangreen'); // Hello dangreen!
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hello(); // Hello World!
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- some arguments into array, status: done
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main(name, skills...){
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console.log("My name is @name, my skills:");
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skills.forEach((skill) => console.log("@skill,"));
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}
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## Classes
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- classes
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- singletones
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@ -327,8 +373,3 @@ From Git:
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while(res.indexOf(a) != -1) res = res.replace(a, b);
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return res;
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}
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### Statistic
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- 33 features ( without classes )
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- 33 done
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@ -1257,8 +1257,8 @@ Cola.Parser.prototype.for_ = function () {
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this.expect("(");
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var init = null;
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if (!this.is("punc", ";")) {
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init = this.is("keyword", "var")
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? (this.next(), this.var_(true))
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init = this.is("keyword", "var") || !this.is_js && this.is("name") && this.next_is("name")
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? (this.next(), this.var_(true, this.prev().value))
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: this.expression(true, true);
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if (this.is("operator", "in")) {
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if (init instanceof Cola.AST_Var && init.definitions.length > 1)
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@ -3,7 +3,7 @@
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"description": "ColaScript translator / parser / mangler / compressor / beautifier toolkit",
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"homepage": "https://github.com/TrigenSoftware/ColaScript",
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"main": "tools/node.js",
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"version": "0.5.5",
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"version": "0.5.6",
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"engines": { "node" : ">=0.4.0" },
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"maintainers": [{
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"name": "Dan Onoshko (dangreen)",
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