2 #![allow(dead_code, unused_must_use)]
6 #[allow(clippy::unnecessary_operation)]
8 "".chars().next() == Some(' ');
9 Some(' ') != "".chars().next();
12 fn chars_cmp_with_unwrap() {
13 let s = String::from("foo");
14 if s.chars().next().unwrap() == 'f' {
18 if s.chars().next_back().unwrap() == 'o' {
22 if s.chars().last().unwrap() == 'o' {
26 if s.chars().next().unwrap() != 'f' {
27 // !s.starts_with('f')
30 if s.chars().next_back().unwrap() != 'o' {
34 if s.chars().last().unwrap() != 'o' {
40 #[allow(clippy::unnecessary_operation)]
42 "".chars().last() == Some(' ');
43 Some(' ') != "".chars().last();
44 "".chars().next_back() == Some(' ');
45 Some(' ') != "".chars().next_back();