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Replace format("{}") with .to_string() where possible.

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Bert Peters
2018-12-22 10:06:36 +01:00
parent 3b825ac933
commit 2f0c8ef2d4
20 changed files with 33 additions and 33 deletions
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6
2018/src/day21.rs
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@@ -52,17 +52,17 @@ impl Day21 {
impl Solution for Day21 {
fn part1(&mut self, _input: &mut Read) -> String {
format!("{}", ValidInputs::new(0).next().unwrap())
ValidInputs::new(0).next().unwrap().to_string()
}
fn part2(&mut self, _input: &mut Read) -> String {
let inputs = ValidInputs::new(0);
let mut seen = HashSet::new();
let mut last = None;
let mut last: Option<i64> = None;
for input in inputs {
if seen.contains(&input) {
return format!("{}", last.unwrap());
return last.unwrap().to_string();
} else {
last = Some(input);
seen.insert(input);