I really adore the slicing syntax. Just as a quick fix, though,
> arr[begin,]; // => arr[begin, arr.length];
should obviously return `arr[begin, arr.length - 1]`.
Honestly, I'm not too sure if the "easy push" syntax is particularly self-
explanatory. There might be better alternatives.
On Freitag, 22. Januar 2016 22:32:42 CET Alican Çubukçuoğlu wrote:
> More cool stuff:
> ```javascript
> const arr = [1, 2, 3];
>
> // Easy push
> arr[] = 4; // => arr[arr.length];
>
> // Easy s(p)lice
> arr[begin, end];,
> arr[begin,]; // => arr[begin, arr.length];
> arr[begin, end] = [1, 2, 3];
> ```
>
> A terrible example (terrible because this should be done with WebGL
> shaders):
> ```javascript
> const image = [ /* Umbagajillion of RGBA pixels */ ];
>
> function manipulate(rgba) {
> rgba[0] += 10;
> rgba[1] += 10;
> rgba[2] += 10;
> }
>
> for (let i = 0; i < image.length / 4; i++) {
> const begin = i * 4;
> const end = begin + 4;
>
> /*
> In case easy s(p)lice doesn't actually Array.p.slice
> and just creates a limited view of the array
> without breaking reference
> (image[begin, end] === image[begin, end])
> */
> manipulate(image[begin, end]);
>
> /*
> In case easy s(p)lice does Array.p.slice
> and creates a new array
> (image[begin, end] !== image[begin, end])
> */
> const pixel = image[begin, end];
> manipulate(pixel);
> image[begin, end] = pixel;
> }
> ```
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