Error: cannot call public/export function someFunction from invariant

[bearophile]

simendsjo:

> See topic. Why is this not allowed? The function in question is 
> not virtual.
>
> struct S {
>     void someFunction() const {}
>     const invariant() { someFunction(); }
> }
> void main() {
>     S s;
> }

It being not virtual is not important. In what cases is 
invariant() called, simendsjo? I sense an infinite loop.

Bye,
bearophile