Method map

cpp/fory/meta/field_info.h:156–164

  }

  constexpr FieldNodeSpec map() const {
    auto copy = *this;
    copy.size_ = 1;
    copy.kind_[0] = FieldNodeKind::Map;
    copy.child0_[0] = -1;
    copy.child1_[0] = -1;
    copy.encoding_[0] = Encoding::Default;
    return copy;
  }

  constexpr FieldNodeSpec map(FieldNodeSpec key, FieldNodeSpec value) const {
    return map().key(key).value(value);