/+dub.sdl:

dependency "mir-algorithm" version="~>3.0.3"

dependency "mir-random" version="~>2.1.1"

+/

​

import mir.random.algorithm;

import mir.algorithm.iteration;

import mir.ndslice: sliced, iota, map, member;

​

void main()

{

    S[] arr;

    arr.length = 42;

    // using each

    arr.length.iota.each!((i, ref el) => el.i = i)(arr);

    // or using each and member

    arr.length.iota.each!"b = a"(arr.member!"i");

    // or using assign

    arr.member!"i"[] = arr.length.iota;

​

    auto res0 = rne.sample(arr.map!((ref el) => el.i), 1);

    // or using member

    auto res1 = rne.sample(arr.member!"i", 1);

​

}

​

struct S { size_t i; }

​