import std.stdio;

import std.range;

import std.algorithm;

@safe:

class C {

    const int*[] placeholder;

    this(scope int*[] values) {

        this.placeholder = values;

    }

}

​

void main()

{

    auto array = iota(0, 20).map!((int i) => new int(i)).array;

    auto c = new C(array);

    writeln(c.placeholder.map!(p => *p));

}