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Small simplification.

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Bert Peters
2019-02-19 15:38:11 +01:00
parent c4163824cc
commit e949701564
1 changed files with 4 additions and 4 deletions
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6
2016/src/day22.rs
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@@ -144,11 +144,11 @@ impl Solution for Day22 {
let (xe, ye) = state.empty_pos;
let empty_capacity = *get_grid(&capacity, size, state.empty_pos);
let valid_x = [if xe > 0 { Some(xe - 1) } else { None }, Some(xe), Some(xe), if xe < size - 1 { Some(xe + 1) } else { None }];
let valid_y = [Some(ye), if ye > 0 { Some(ye - 1) } else { None }, if ye < height - 1 { Some(ye + 1) } else { None }, Some(ye)];
let valid_x = [xe.checked_sub(1), Some(xe), Some(xe), if xe < size - 1 { Some(xe + 1) } else { None }];
let valid_y = [Some(ye), ye.checked_sub(1), if ye < height - 1 { Some(ye + 1) } else { None }, Some(ye)];
for (x, y) in valid_x.iter().zip(valid_y.iter()) {
if x.is_none() || y.is_none() {
continue
continue;
}
let switch = (x.unwrap(), y.unwrap());
let contents = *get_grid(&state.grid, size, switch);