Function warm_caches

Lib/test/libregrtest/refleak.py:285–293

()

def warm_caches() -> None:
    # char cache
    s = bytes(range(256))
    for i in range(256):
        s[i:i+1]
    # unicode cache
    [chr(i) for i in range(256)]
    # int cache
    list(range(-5, 257))