On Tuesday, 24 February 2026 at 22:10:08 UTC, Kapendev wrote:
On Tuesday, 24 February 2026 at 21:56:47 UTC, monkyyy wrote:
[...]
```d
// Tagged union.
struct Base { int x, y, w, h; ubyte type; }
struct Foo { Base base; int hp; }
struct Goo { Base base; string name; }
union Entity1 { Base base; Foo foo; Goo goo; }
// MEGA struct.
struct Entity2 {
int x, y, w, h;
int hp;
string name;
ubyte type;
}
void main() {
auto e1 = Entity1();
e1.base.x += 1; // Can just do that without checking or
void magic.
auto e2 = Entity2();
e2.x += 2; // It's the same thing.
import std.stdio;
writeln("Entity1 size: ", e1.sizeof);
writeln("Entity2 size: ", e2.sizeof);
}
```
Thats a compromise between fat structs and components, everywhere
you have base it acts fat
