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// run-rustfix
#![allow(unused_must_use)]
use std::collections::HashSet;
fn main() {
let x = "foo";
x.split('x');
x.split("xx");
x.split('x');
let y = "x";
x.split(y);
x.split('ß');
x.split('ℝ');
x.split('💣');
// Can't use this lint for unicode code points which don't fit in a char
x.split("❤️");
x.split_inclusive('x');
x.contains('x');
x.starts_with('x');
x.ends_with('x');
x.find('x');
x.rfind('x');
x.rsplit('x');
x.split_terminator('x');
x.rsplit_terminator('x');
x.splitn(2, 'x');
x.rsplitn(2, 'x');
x.split_once('x');
x.rsplit_once('x');
x.matches('x');
x.rmatches('x');
x.match_indices('x');
x.rmatch_indices('x');
x.trim_start_matches('x');
x.trim_end_matches('x');
x.strip_prefix('x');
x.strip_suffix('x');
x.replace('x', "y");
x.replacen('x', "y", 3);
// Make sure we escape characters correctly.
x.split('\n');
x.split('\'');
x.split('\'');
let h = HashSet::<String>::new();
h.contains("X"); // should not warn
x.replace(';', ",").split(','); // issue #2978
x.starts_with('\x03'); // issue #2996
// Issue #3204
const S: &str = "#";
x.find(S);
// Raw string
x.split('a');
x.split('a');
x.split('a');
x.split('\'');
x.split('#');
// Must escape backslash in raw strings when converting to char #8060
x.split('\\');
x.split('\\');
}
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