patch 9.0.2007: Vim9: covariant parameter types allowed Commit: https://github.com/vim/vim/commit/e4671890220ef3f2bca43fde6ffe5d3ef3ed0e42 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Mon Oct 9 18:01:06 2023 +0200 patch 9.0.2007: Vim9: covariant parameter types allowed Problem: Vim9: covariant parameter types allowed when assigning functions Solution: Enforce invariant type check for arguments and return value when assigning a funcref closes: #13299 closes: #13305 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

#!/usr/bin/python
#
# Program that writes a number to stdout repeatedly
#
# This requires Python 2.6 or later.

from __future__ import print_function
import sys
import time

if __name__ == "__main__":

    done = 0
    while done < 10:
        done = done + 1
        print(done)
        sys.stdout.flush()
        time.sleep(0.05)  # sleep 50 msec