Input/Output multiple values from function

[Mike Parker]

On Wednesday, 28 August 2019 at 04:19:49 UTC, Jabari Zakiya wrote:
> I have a function (say func1) that takes 1 input value (an 
> integer number) and outputs 4 values (2 integers and 2 arrays 
> of integers).
>
> Then inside another function (say func2) I provide the 1 input 
> to func1 and then want to assign its 4 output values to their 
> appropriate final variables that will use them.
>
> Conceptually I want to do below:
>
> func2 { .......; (a, b, c, d) = func1(i) }
>
> I tried using a struct but compiler keeps complaining.
>
> Thanks for help in advance.

A struct should work just fine:

https://run.dlang.io/is/aMBGD0

import std.stdio;
struct Results {
     int a, b;
     int[] aa, ab;
}

Results func1() {
     return Results(1, 2, [0, 1, 2, 3], [10, 11, 12]);
}

void main()
{
     writeln(func1);
}

What is the compiler complaining about?