On Sun, Sep 18, 2016 at 3:55 AM, Chris Angelico <ros...@gmail.com> wrote: > On Sun, Sep 18, 2016 at 1:16 PM, Lawrence D’Oliveiro > <lawrenced...@gmail.com> wrote: >> On Sunday, September 18, 2016 at 2:34:46 PM UTC+12, eryk sun wrote: >>> However, I see that MicroPython [1] has been ported to 16-bit >>> PIC microcontrollers. An int should be 16-bit in that case. >>> >>> [1]: https://github.com/micropython/micropython >> >> From the readme: “MicroPython implements the entire Python 3.4 syntax...” >> >> Darn. I don’t know whether to applaud or grit my teeth... > > What do you mean? It's not perfectly up-to-date with respect to > CPython, but most alternate implementations lag a bit. > > However, it doesn't appear to have an 'itemsize' on its array. > >>>> a=array.array("l", (0,)) >>>> dir(a) > ['append', 'extend'] > > Not sure what that means about its sizes.
MicroPython's array and struct modules use a common mp_binary_get_size function: https://github.com/micropython/micropython/blob/v1.8.4/py/binary.c#L37 The array module uses native ("@") sizes, so the size of "i" and "I" is sizeof(int). -- https://mail.python.org/mailman/listinfo/python-list
