Template type deduced from struct ctor?

[Luís.Marques]

Could this be made to work?

    struct S(T)
    {
        T x;

        this(T x)
        {
            this.x = x;
        }
    }

    void main()
    {
        int x = 42;
        auto s = S(x); // fails to deduce T
    }