Apply cargo clippy

Dependencies

• [2] IWN7EOTT Solution for 2020: day 2
• [3] HUHAFQLN 2021 day 1

Change contents

• replacement in 2021/day2.rs at line 3
  [2.57]→[2.57:79](∅→∅)
  − #[derive(Clone,Copy)]
  [2.57]

  [2.79]
  + #[derive(Clone, Copy)]
• replacement in 2021/day2.rs at line 7
  [2.117]→[2.117:126](∅→∅)
  − Down
  [2.117]

  [2.126]
  + Down,
• replacement in 2021/day2.rs at line 9
  [2.128]→[2.128:150](∅→∅)
  − #[derive(Clone,Copy)]
  [2.128]

  [2.150]
  + #[derive(Clone, Copy)]
• replacement in 2021/day2.rs at line 17
  [2.263]→[2.263:301](∅→∅)
  − Distance(std::num::ParseIntError)
  [2.263]

  [2.301]
  + Distance(std::num::ParseIntError),
• replacement in 2021/day2.rs at line 36
  [2.874]→[2.874:929](∅→∅)
  − _ => Err(InstructionParseError::Direction)
  [2.874]

  [2.929]
  + _ => Err(InstructionParseError::Direction),
• replacement in 2021/day2.rs at line 38
  [2.941]→[2.941:1068](∅→∅)
  − let distance: i64 = words.next().unwrap_or_else(|| "")

  − .parse()?;

  − Ok(Self { direction, distance })
  [2.941]

  [2.1068]
  + let distance: i64 = words.next().unwrap_or("").parse()?;

  + Ok(Self {

  + direction,

  + distance,

  + })
• replacement in 2021/day2.rs at line 46
  [2.1077]→[2.1077:1145](∅→∅)
  − fn trace_1<I: Iterator<Item=Instruction>>(source: I) -> (i64,i64) {
  [2.1077]

  [2.1145]
  + fn trace_1<I: Iterator<Item = Instruction>>(source: I) -> (i64, i64) {
• replacement in 2021/day2.rs at line 51
  [2.1233]→[2.1233:1390](∅→∅)
  − Direction::Forward => { x += i.distance; }

  − Direction::Up => { y -= i.distance; }

  − Direction::Down => { y += i.distance; }
  [2.1233]

  [2.1390]
  + Direction::Forward => {

  + x += i.distance;

  + }

  + Direction::Up => {

  + y -= i.distance;

  + }

  + Direction::Down => {

  + y += i.distance;

  + }
• replacement in 2021/day2.rs at line 61
  [2.1400]→[2.1400:1417](∅→∅)
  − };

  − (x,y)
  [2.1400]

  [2.1417]
  + }

  + (x, y)
• replacement in 2021/day2.rs at line 65
  [2.1420]→[2.1420:1488](∅→∅)
  − fn trace_2<I: Iterator<Item=Instruction>>(source: I) -> (i64,i64) {
  [2.1420]

  [2.1488]
  + fn trace_2<I: Iterator<Item = Instruction>>(source: I) -> (i64, i64) {
• replacement in 2021/day2.rs at line 75
  [2.1724]→[2.1724:1830](∅→∅)
  − Direction::Up => { aim -= i.distance; }

  − Direction::Down => { aim += i.distance; }
  [2.1724]

  [2.1830]
  + Direction::Up => {

  + aim -= i.distance;

  + }

  + Direction::Down => {

  + aim += i.distance;

  + }
• replacement in 2021/day2.rs at line 82
  [2.1840]→[2.1840:1847](∅→∅)
  − };
  [2.1840]

  [2.1847]
  + }
• replacement in 2021/day2.rs at line 89
  [2.1950]→[2.1950:2074](∅→∅)
  − let file = std::io::BufReader::new(std::fs::File::open(<String as AsRef<std::path::Path>>::as_ref(&args[1])).unwrap());
  [2.1950]

  [2.2074]
  + let file = std::io::BufReader::new(

  + std::fs::File::open(<String as AsRef<std::path::Path>>::as_ref(&args[1])).unwrap(),

  + );
• replacement in 2021/day2.rs at line 94
  [2.2137]→[2.2137:2236](∅→∅)
  − .flat_map(|line| line.ok().and_then(|line| str::parse::<Instruction>(line.as_ref()).ok()))
  [2.2137]

  [2.2236]
  + .flat_map(|line| {

  + line.ok()

  + .and_then(|line| str::parse::<Instruction>(line.as_ref()).ok())

  + })
• replacement in 2021/day2.rs at line 99
  [2.2256]→[2.2256:2317](∅→∅)
  − let (x1, y1) = trace_1(instructions.iter().map(|x| *x));
  [2.2256]

  [2.2317]
  + let (x1, y1) = trace_1(instructions.iter().copied());
• replacement in 2021/day2.rs at line 102
  [2.2405]→[2.2405:2484](∅→∅)
  − let (x2, y2) = trace_2(instructions.iter().map(|x| *x));

  − println!("");
  [2.2405]

  [2.2484]
  + let (x2, y2) = trace_2(instructions.iter().copied());

  + println!();
• replacement in 2021/day1.rs at line 15
  [3.270]→[3.270:296](∅→∅)
  − inner: inner,
  [3.270]

  [3.296]
  + inner,
• replacement in 2021/day1.rs at line 60
  [3.1455]→[3.1455:1505](∅→∅)
  − inner: inner,

  − size: size,
  [3.1455]

  [3.1505]
  + inner,

  + size,
• replacement in 2021/day1.rs at line 78
  [3.1958]→[3.1958:2033](∅→∅)
  − let result = self.window.iter().map(|x| *x).collect();
  [3.1958]

  [3.2033]
  + let result = self.window.iter().copied().collect();
• edit in 2021/Cargo.toml at line 17
  [2.2615]
  +

  + [[bin]]

  + name = "day3"

  + path = "day3.rs"

  +