rust-clippy/tests/ui/manual_pattern_char_comparison.fixed

61 lines
1.4 KiB
Rust

#![warn(clippy::manual_pattern_char_comparison)]
struct NotStr;
impl NotStr {
fn find(&self, _: impl FnMut(char) -> bool) {}
}
fn main() {
let sentence = "Hello, world!";
sentence.trim_end_matches(['.', ',', '!', '?']);
sentence.split(['\n', 'X']);
sentence.split(['\n', 'X']);
sentence.splitn(3, 'X');
sentence.splitn(3, |c: char| c.is_whitespace() || c == 'X');
let char_compare = 'X';
sentence.splitn(3, char_compare);
sentence.split(['\n', 'X', 'Y']);
sentence.splitn(3, 'X');
sentence.splitn(3, ['X', 'W']);
sentence.find('🎈');
let not_str = NotStr;
not_str.find(|c: char| c == 'X');
"".find(|c| c == 'a' || c > 'z');
let x = true;
"".find(|c| c == 'a' || x || c == 'b');
let d = 'd';
"".find(|c| c == 'a' || d == 'b');
"".find(|c| match c {
'a' | 'b' => true,
_ => c.is_ascii(),
});
"".find(|c| matches!(c, 'a' | 'b' if false));
"".find(|c| matches!(c, 'a' | '1'..'4'));
"".find(|c| c == 'a' || matches!(c, '1'..'4'));
macro_rules! m {
($e:expr) => {
$e == '?'
};
}
"".find(|c| m!(c));
}
#[clippy::msrv = "1.57"]
fn msrv_1_57() {
let sentence = "Hello, world!";
sentence.trim_end_matches(|c: char| c == '.' || c == ',' || c == '!' || c == '?');
}
#[clippy::msrv = "1.58"]
fn msrv_1_58() {
let sentence = "Hello, world!";
sentence.trim_end_matches(['.', ',', '!', '?']);
}