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cleanup

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This commit is contained in:
nora 2023-12-03 18:12:31 +01:00
parent 5c1a089038
commit fa39b5faf4
11 changed files with 18 additions and 18 deletions
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4
2023/day01/src/branchless.rs
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@ -20,7 +20,7 @@ pub unsafe fn part2(input: &str) -> u64 {
// this out of bounds read is UB under SB, but fine under models that don't do provenance narrowing with slices. i dont care enough to fix it.
let block = bytes.as_ptr().add(i).cast::<u64>().read_unaligned().to_le();
let one = (block & ((1 << (8 * 1)) - 1)) as u8;
let one = (block & ((1 << (8)) - 1)) as u8;
let three = block & ((1 << (8 * 3)) - 1);
let four = block & ((1 << (8 * 4)) - 1);
let five = block & ((1 << (8 * 5)) - 1);
@ -42,7 +42,7 @@ pub unsafe fn part2(input: &str) -> u64 {
};
}
insert(if one >= b'0' && one <= b'9' { one } else { 0 });
insert(if one.is_ascii_digit() { one } else { 0 });
check!(EIGHT five == b"eight" => b'8');
check!(SEVEN five == b"seven" => b'7');