bslatkin

from collections import namedtuple

ALIVE = '*'
EMPTY = '-'
Query = namedtuple('Query',('y','x'))
Transition = namedtuple('Transition', ('y', 'x', 'state'))
TICK = object()

class MyReturn(Exception):
    def __init__(self, value):

bslatkin

"""
# These are the values I see on my system that reproduces the bug:

$ uname -a
Darwin silver-surfer.lan 21.3.0 Darwin Kernel Version 21.3.0: Wed Jan  5 21:37:58 PST 2022; root:xnu-8019.80.24~20/RELEASE_X86_64 x86_64

$ /usr/local/Cellar/llvm@11/11.1.0_4/bin/clang -v
Homebrew clang version 11.1.0
Target: x86_64-apple-darwin21.3.0
Thread model: posix

bslatkin

* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  * frame #0: 0x00007ff811b05112 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007ff811b3b214 libsystem_pthread.dylib`pthread_kill + 263
    frame #2: 0x00007ff811a87daa libsystem_c.dylib`__abort + 139
    frame #3: 0x00007ff811a73dbe libsystem_c.dylib`__stack_chk_fail + 100
    frame #4: 0x00007ff81fec9f50 libffi.dylib`ffi_prep_cif_machdep + 688
    frame #5: 0x00007ff81fec9c34 libffi.dylib`ffi_prep_cif + 23
    frame #6: 0x00000001066fbc5f _ctypes.cpython-310d-darwin.so`_call_function_pointer(flags=4353, pProc=0x00000001061ff000, avalues=0x00007ff7bfee5420, atypes=0x00007ff7bfee53e0, restype=0x0000611000438828, resmem=0x00007ff7bfee5460, argcount=0, argtypecount=0) at callproc.c:883:23
    frame #7: 0x00000001066f8df6 _ctypes.cpython-310d-darwin.so`_ctypes_callproc(pProc=0x00000001061ff000, argtuple=0x00006060000070c0, flags=4353, argtypes=0x00006060000070c0, restype=0x0000619000225ba0, checker=0x0000000000000000) at c