...nogc:

	this() scope {}

	void method1() scope {}

	scope { // ok
		void method2() {}
	}

scope: // no indication at function...

...main.h>
//

clang -c SDL3.c # compile OK
ldc -c SDL3.c   # compile ERRORS
/usr...

...c lib.c # compile OK
dmd -c lib.c   # compile OK with WARNING
lib.c...

...c lib.c # compile OK
dmd -c lib.c   # compile OK with WARNING
lib.c...

...c lib.c # compile OK
dmd -c lib.c   # compile OK with WARNING
lib.c...

...double _Float64x;
//

clang -c lib.c # compile OK
dmd -c lib.c   # compile ERRORS
lib...

...f()
{
    int i;
    scope s = S(&i); // OK (scope will be inferred if missing)
    return...

...s=2; // ok, actually does `S s=S(2)`
    S t=s; // ok, actually does...

...main()
{
    {
        shared S original;
        S copy = original; // ok
    }
    {
        shared T original;
        T copy = original; // fails...

...dup;

I think casting away const is OK because the AA produced by `dup` is...