import std.stdio;

​

struct A

{

    int x;

​

    auto ref opAssign()(auto ref typeof(this) rhs)

    {

        writefln("slice_bug.opAssign: begin");

        scope(exit) writefln("slice_bug.opAssign: end");

​

        return this;

    }

}

​

void main(string[] args)

{

    A[] a = [A(1), A(2), A(3)];

    A[] b = [A(2), A(3), A(4)];

​

    writeln("Using slice >>>");

    a[] = b[]; // ops.. opAssign is not called

    writefln("Using slice <<<\n");

    // what I was expecting this to be

    writeln("Using for >>>");

    for (size_t i = 0; i < a.length; ++i)

    {

        a[i] = b[i];

    }

    writeln("Using for <<<");

}