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Replace filter + map with filter_map.

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Bert Peters
2018-12-08 07:32:46 +01:00
parent 7245cdf6b5
commit c0052c8c24
1 changed files with 1 additions and 2 deletions
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3
2018/src/day08.rs
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@@ -42,8 +42,7 @@ fn total2(items: &[usize]) -> (usize, usize) {
} }
let total = items[start..(start + meta_entries)].iter() let total = items[start..(start + meta_entries)].iter()
.filter(|&&x| x <= values.len()) .filter_map(|&x| values.get(x - 1))
.map(|&x| values[x - 1])
.sum(); .sum();
(total, start + meta_entries) (total, start + meta_entries)