Re: Qualified destructors / immutable objects

[Daniel Kozak via Digitalmars-d-learn]

On Friday, 12 June 2015 at 15:36:22 UTC, anonymous wrote:
no need for ~this() to modify immutable data:
class C {
        int a;

        this(int a) {
                this.a = a;
        }
}

struct S {
        C elem = new C(42);
}

void main() {
        import std.stdio;
    immutable(S) s1;

        //  Error: cannot modify immutable expression s1.elem.a
        // s1.elem.a = 43;
        
        writeln(s1.elem.a);

        S s2;
        s2.elem.a = 123;
        writeln(s1.elem.a);
}

Prints:
42
123

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