Class Tuple

crates/c-api/include/wasmtime/component/val.hh:209–240

\brief Class representing a component model tuple.

/// \brief Class representing a component model tuple.
class Tuple {
  friend class Val;

  VAL_REPR(Tuple, wasmtime_component_valtuple_t);

  static void transfer(Raw &&from, Raw &to) {
    to = from;
    from.size = 0;
    from.data = nullptr;
  }

  void copy(const Raw &other) {
    wasmtime_component_valtuple_copy(&raw, &other);
  }

  void destroy() { wasmtime_component_valtuple_delete(&raw); }

public:
  /// Creates a new tuple from the named field pairs provided.
  Tuple(std::vector<Val> entries);

  /// \brief Returns the number of entries in the tuple.
  size_t size() const { return raw.size; }

  /// \brief Returns an iterator to the beginning of the tuple.
  const Val *begin() const { return reinterpret_cast<const Val *>(raw.data); }

  /// \brief Returns an iterator to the end of the tuple.
  const Val *end() const {
    return reinterpret_cast<const Val *>(raw.data + raw.size);
  }
};

/// Class representing a component model `variant` value.
class Variant {