2 Checks for looping over the range of `0..len` of some
3 collection just to get the values by index.
6 Just iterating the collection itself makes the intent
7 more clear and is probably faster.
11 let vec = vec!['a', 'b', 'c'];
12 for i in 0..vec.len() {
13 println!("{}", vec[i]);
19 let vec = vec!['a', 'b', 'c'];