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Move manhattan metric function to trait.

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Bert Peters
2018-12-22 09:40:09 +01:00
parent ba321caa37
commit 3b825ac933
5 changed files with 53 additions and 38 deletions
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6
2018/src/day06.rs
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@@ -4,7 +4,7 @@ use std::io::BufReader;
use std::io::Read;
use common::GroupingCount;
use common::manhattan_distance;
use common::Point;
use common::Solution;
type Coordinate = (usize, usize);
@@ -61,7 +61,7 @@ impl Day06 {
let mut cur_best = None;
for (i, point) in self.points.iter().enumerate() {
let dist = manhattan_distance(*point, (x, y));
let dist = point.manhattan((x, y));
if dist < cur_dist {
cur_dist = dist;
cur_best = Some(i);
@@ -82,7 +82,7 @@ impl Day06 {
self.read_points(input);
self.range()
.map(|x| self.points.iter().map(|y| manhattan_distance(x, *y)).sum::<usize>())
.map(|x| self.points.iter().map(|y| y.manhattan(x)).sum::<usize>())
.filter(|&x| x < limit)
.count()
}