/+dub.sdl:

dependency "automem" version="~>0.0.10"

+/

import std.stdio;

import automem;

import core.stdc.stdio;

​

void main() @nogc

{

    import std.experimental.allocator.mallocator : Mallocator;

    import std.algorithm : move;

​

    struct Point

    {

        int x;

        int y;

    }

​

    // the constructor can also take (size, init) or (size, range) values

    auto arr = UniqueArray!(Point, Mallocator)(3);

​

    const Point[3] expected1 = [Point(), Point(), Point()]; // because array literals aren't @nogc

    assert(arr[] == expected1);

​

    const Point[1] expected2 = [Point()];

    arr.length = 1;

    assert(*arr == expected2); //deferencing is the same as slicing all of it

​

    arr ~= UniqueArray!(Point, Mallocator)(1, Point(6, 7));

    const Point[2] expected3 = [Point(), Point(6, 7)];

    assert(arr[] == expected3);

    foreach (a; arr)

        printf("%d,%d\n", a.x, a.y);

}