3 #![allow(unused_must_use)]
5 use std::collections::HashSet;
18 // Can't use this lint for unicode code points which don't fit in a char
26 x.split_terminator("x");
27 x.rsplit_terminator("x");
33 x.rmatch_indices("x");
34 x.trim_start_matches("x");
35 x.trim_end_matches("x");
38 // Make sure we escape characters correctly.
43 let h = HashSet::<String>::new();
44 h.contains("X"); // should not warn
46 x.replace(";", ",").split(","); // issue #2978
47 x.starts_with("\x03"); // issue #2996