Poor Carlos does not manage to find where to eat

[user1234]

```d
module m;

void placeToEat1(T)(T t)
     if (__traits(hasMember, T, "wantsBeer")
     && (__traits(hasMember, T, "wantsFries"))
     //&& (!__traits(hasMember, T, "wantsShrimps"))  // uncomment 
to help Carlos
     )
{
}

void placeToEat2(T)(T t)
     if (__traits(hasMember, T, "wantsBeer")
     && (__traits(hasMember, T, "wantsFries"))
     && (__traits(hasMember, T, "wantsShrimps")))
{
}

alias findPlaceToEat = placeToEat1;
alias findPlaceToEat = placeToEat2;

struct TouristType1
{
     enum wantsBeer = true;
     enum wantsFries = true;
}

struct TouristType2
{
     enum wantsBeer = true;
     enum wantsFries = true;
     enum wantsShrimps = true;
}

void main()
{
     TouristType1 Juan;
     Juan.findPlaceToEat();      // OK Juan will not starve to 
death
     TouristType2 Carlos;
     Carlos.findPlaceToEat();    // NG, Carlos will starve to 
death even tho
                                 // placeToEat2 fits more to his 
needs
}
```

Shouldn't this work for Carlos ? `placeToEat2` matches more after 
all.