Method asMutable

API/fleece/Mutable.hh:270–272

                                                {return FLMutableDict_GetMutableDict(*this, key);}

    inline MutableArray Array::asMutable() const {
        return MutableArray(FLArray_AsMutable(*this));
    }

    inline MutableDict Dict::asMutable() const {
        return MutableDict(FLDict_AsMutable(*this));