rust-clippy/tests/ui/single_char_add_str.rs
2023-08-11 14:02:28 +00:00

45 lines
1 KiB
Rust

#![warn(clippy::single_char_add_str)]
#![allow(clippy::needless_raw_strings, clippy::needless_raw_string_hashes)]
macro_rules! get_string {
() => {
String::from("Hello world!")
};
}
fn main() {
// `push_str` tests
let mut string = String::new();
string.push_str("R");
string.push_str("'");
string.push('u');
string.push_str("st");
string.push_str("");
string.push_str("\x52");
string.push_str("\u{0052}");
string.push_str(r##"a"##);
get_string!().push_str("ö");
// `insert_str` tests
let mut string = String::new();
string.insert_str(0, "R");
string.insert_str(1, "'");
string.insert(0, 'u');
string.insert_str(2, "st");
string.insert_str(0, "");
string.insert_str(0, "\x52");
string.insert_str(0, "\u{0052}");
let x: usize = 2;
string.insert_str(x, r##"a"##);
const Y: usize = 1;
string.insert_str(Y, r##"a"##);
string.insert_str(Y, r##"""##);
string.insert_str(Y, r##"'"##);
get_string!().insert_str(1, "?");
}