Re: Non-ugly ways to implement a 'static' class or namespace?

[ProtectAndHide via Digitalmars-d-learn]

On Sunday, 5 February 2023 at 22:40:09 UTC, ProtectAndHide wrote:

..


module test;

import std;

static final class Algo
{
    @disable this();

    static this()
    {
        Message =  "Hello!";
    }

    static:

    string Message;

    void drawLine() {};
}

void main()
{
    Algo foo1 = null; // the compiler should not allow you to 
declare a variable of static type
    Algo[] foo2 = null; //  the compiler should not allow you to 
declare an array with elements of static type
    List[Algo] foo3; // the compiler should not allow you to use 
static types as type arguments

    writeln(foo1);
    writeln(foo2);
    writeln(foo3);
}

void Method1(Algo x) {} //  the compiler should not allow you to 
use static types as parameters

Algo Method2() { return null; } // the compiler should not allow 
you to use static types as return types

struct List {}