Re: Why do "const inout" and "const inout shared" exist?

[Stefan Koch via Digitalmars-d]

On Saturday, 1 July 2017 at 22:16:12 UTC, Timon Gehr wrote:

struct S{
    int x;
    ref inout(int) foo()inout{
        return x;
    }
}

void main(){
    S s;
    s.foo()++; // ok!
    const(S) t = s;
    import std.stdio;
    writeln(t.foo());
    // t.foo()++; // error
}

Oh damn. I was not aware that it could behave non-constly.
since when does it do that ?