7: Add solution for Rust track exercise "Raindrops".

Dependencies

• [2] MSFESBT6 6: Add Rust track exercise "Raindrops".

Change contents

• replacement in rust/raindrops/tests/raindrops.rs at line 3
  [2.100]→[2.100:146](∅→∅)
  − assert_eq!("1", raindrops::raindrops(1));
  [2.100]

  [2.146]
  + assert_eq!("1", raindrops::raindrops(1));
• replacement in rust/raindrops/tests/raindrops.rs at line 9
  [2.181]→[2.181:231](∅→∅)
  − assert_eq!("Pling", raindrops::raindrops(3));
  [2.181]

  [2.231]
  + assert_eq!("Pling", raindrops::raindrops(3));
• replacement in rust/raindrops/tests/raindrops.rs at line 15
  [2.266]→[2.266:316](∅→∅)
  − assert_eq!("Plang", raindrops::raindrops(5));
  [2.266]

  [2.316]
  + assert_eq!("Plang", raindrops::raindrops(5));
• replacement in rust/raindrops/tests/raindrops.rs at line 21
  [2.351]→[2.351:401](∅→∅)
  − assert_eq!("Plong", raindrops::raindrops(7));
  [2.351]

  [2.401]
  + assert_eq!("Plong", raindrops::raindrops(7));
• replacement in rust/raindrops/tests/raindrops.rs at line 27
  [2.436]→[2.436:486](∅→∅)
  − assert_eq!("Pling", raindrops::raindrops(6));
  [2.436]

  [2.486]
  + assert_eq!("Pling", raindrops::raindrops(6));
• replacement in rust/raindrops/tests/raindrops.rs at line 33
  [2.521]→[2.521:567](∅→∅)
  − assert_eq!("8", raindrops::raindrops(8));
  [2.521]

  [2.567]
  + assert_eq!("8", raindrops::raindrops(8));
• replacement in rust/raindrops/tests/raindrops.rs at line 39
  [2.602]→[2.602:652](∅→∅)
  − assert_eq!("Pling", raindrops::raindrops(9));
  [2.602]

  [2.652]
  + assert_eq!("Pling", raindrops::raindrops(9));
• replacement in rust/raindrops/tests/raindrops.rs at line 45
  [2.688]→[2.688:739](∅→∅)
  − assert_eq!("Plang", raindrops::raindrops(10));
  [2.688]

  [2.739]
  + assert_eq!("Plang", raindrops::raindrops(10));
• replacement in rust/raindrops/tests/raindrops.rs at line 51
  [2.775]→[2.775:826](∅→∅)
  − assert_eq!("Plong", raindrops::raindrops(14));
  [2.775]

  [2.826]
  + assert_eq!("Plong", raindrops::raindrops(14));
• replacement in rust/raindrops/tests/raindrops.rs at line 57
  [2.862]→[2.862:918](∅→∅)
  − assert_eq!("PlingPlang", raindrops::raindrops(15));
  [2.862]

  [2.918]
  + assert_eq!("PlingPlang", raindrops::raindrops(15));
• replacement in rust/raindrops/tests/raindrops.rs at line 63
  [2.954]→[2.954:1010](∅→∅)
  − assert_eq!("PlingPlong", raindrops::raindrops(21));
  [2.954]

  [2.1010]
  + assert_eq!("PlingPlong", raindrops::raindrops(21));
• replacement in rust/raindrops/tests/raindrops.rs at line 69
  [2.1046]→[2.1046:1097](∅→∅)
  − assert_eq!("Plang", raindrops::raindrops(25));
  [2.1046]

  [2.1097]
  + assert_eq!("Plang", raindrops::raindrops(25));
• replacement in rust/raindrops/tests/raindrops.rs at line 75
  [2.1133]→[2.1133:1184](∅→∅)
  − assert_eq!("Pling", raindrops::raindrops(27));
  [2.1133]

  [2.1184]
  + assert_eq!("Pling", raindrops::raindrops(27));
• replacement in rust/raindrops/tests/raindrops.rs at line 81
  [2.1220]→[2.1220:1276](∅→∅)
  − assert_eq!("PlangPlong", raindrops::raindrops(35));
  [2.1220]

  [2.1276]
  + assert_eq!("PlangPlong", raindrops::raindrops(35));
• replacement in rust/raindrops/tests/raindrops.rs at line 87
  [2.1312]→[2.1312:1363](∅→∅)
  − assert_eq!("Plong", raindrops::raindrops(49));
  [2.1312]

  [2.1363]
  + assert_eq!("Plong", raindrops::raindrops(49));
• replacement in rust/raindrops/tests/raindrops.rs at line 93
  [2.1399]→[2.1399:1447](∅→∅)
  − assert_eq!("52", raindrops::raindrops(52));
  [2.1399]

  [2.1447]
  + assert_eq!("52", raindrops::raindrops(52));
• replacement in rust/raindrops/tests/raindrops.rs at line 99
  [2.1484]→[2.1484:1546](∅→∅)
  − assert_eq!("PlingPlangPlong", raindrops::raindrops(105));
  [2.1484]

  [2.1546]
  + assert_eq!("PlingPlangPlong", raindrops::raindrops(105));
• replacement in rust/raindrops/tests/raindrops.rs at line 105
  [2.1584]→[2.1584:1637](∅→∅)
  − assert_eq!("Plang", raindrops::raindrops(3125));
  [2.1584]

  [2.1637]
  + assert_eq!("Plang", raindrops::raindrops(3125));
• replacement in rust/raindrops/tests/raindrops.rs at line 111
  [2.1676]→[2.1676:1731](∅→∅)
  − assert_eq!("12121", raindrops::raindrops(12_121));
  [2.1676]

  [2.1731]
  + assert_eq!("12121", raindrops::raindrops(12_121));
• replacement in rust/raindrops/src/lib.rs at line 2
  [2.1819]→[2.1819:1879](∅→∅)
  − unimplemented!("what sound does Raindrop #{} make?", n)
  [2.1819]

  [2.1879]
  + let a = move |b: u32| if b == 0 { false } else { n % b == 0 };

  + let (b, c, d) = (a(3), a(5), a(7));

  +

  + if b || c || d {

  + format!(

  + "{}{}{}",

  + if b { "Pling" } else { "" },

  + if c { "Plang" } else { "" },

  + if d { "Plong" } else { "" }

  + )

  + } else {

  + n.to_string()

  + }