whoa, `println!("{:016x}")` writes every 0 with a single write, no buffering involved - presumably to avoid allocations.
maybe that only applies to stderr but... that can't be efficient ?
whoa, `println!("{:016x}")` writes every 0 with a single write, no buffering involved - presumably to avoid allocations.
maybe that only applies to stderr but... that can't be efficient ?
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