text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George
   * Copyright (c) 2014 Paul Sokolovsky
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  #ifndef MICROPY_INCLUDED_PY_OBJARRAY_H
  #define MICROPY_INCLUDED_PY_OBJARRAY_H
  
  #include "py/obj.h"
  
  // Used only for memoryview types, set in "typecode" to indicate a writable memoryview
  #define MP_OBJ_ARRAY_TYPECODE_FLAG_RW (0x80)
  
  // This structure is used for all of bytearray, array.array, memoryview
  // objects.  Note that memoryview has different meaning for some fields,
  // see comment at the beginning of objarray.c.
  typedef struct _mp_obj_array_t {
      mp_obj_base_t base;
      size_t typecode : 8;
      // free is number of unused elements after len used elements
      // alloc size = len + free
      // But for memoryview, 'free' is reused as offset (in elements) into the
      // parent object. (Union is not used to not go into a complication of
      // union-of-bitfields with different toolchains). See comments in
      // objarray.c.
      size_t free : (8 * sizeof(size_t) - 8);
      size_t len; // in elements
      void *items;
  } mp_obj_array_t;
  
  #endif // MICROPY_INCLUDED_PY_OBJARRAY_H
  