...RAII.

classes are reference types with inheritance and polymorphism. They don't really support RAII...

...to learn D. The main reasons were RAII and Design by Contract. Even funnier, it...

...use clear() you will have to enforce RAII using structs (not garbage collected) or finally...

Ah, I keep forgetting about opCall. Nice tips there.

A static opCall would be better. See my answer to the original post.

-- 
/Jacob Carlborg

You can use a static opCall, like this:

struct Foo
{
    static Foo opCall ()
    {
        Foo foo...

The typical thing to do when you want a default constructor for a struct is...

...believe that they work properly for normal RAII), but in particular, for the moment, don...

Actually this becomes rather annoying, since I can't use any closures on the object...

A workaround:

import std.stdio;
import std.exception;

struct A
{
    int x;

    this(void* none...