rust-clippy/tests/ui/manual_is_ascii_check.rs

84 lines
2.2 KiB
Rust

#![allow(unused, dead_code)]
#![warn(clippy::manual_is_ascii_check)]
fn main() {
assert!(matches!('x', 'a'..='z'));
assert!(matches!('X', 'A'..='Z'));
assert!(matches!(b'x', b'a'..=b'z'));
assert!(matches!(b'X', b'A'..=b'Z'));
let num = '2';
assert!(matches!(num, '0'..='9'));
assert!(matches!(b'1', b'0'..=b'9'));
assert!(matches!('x', 'A'..='Z' | 'a'..='z'));
assert!(matches!('x', 'A'..='Z' | 'a'..='z' | '_'));
(b'0'..=b'9').contains(&b'0');
(b'a'..=b'z').contains(&b'a');
(b'A'..=b'Z').contains(&b'A');
('0'..='9').contains(&'0');
('a'..='z').contains(&'a');
('A'..='Z').contains(&'A');
let cool_letter = &'g';
('0'..='9').contains(cool_letter);
('a'..='z').contains(cool_letter);
('A'..='Z').contains(cool_letter);
}
#[clippy::msrv = "1.23"]
fn msrv_1_23() {
assert!(matches!(b'1', b'0'..=b'9'));
assert!(matches!('X', 'A'..='Z'));
assert!(matches!('x', 'A'..='Z' | 'a'..='z'));
assert!(matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F'));
}
#[clippy::msrv = "1.24"]
fn msrv_1_24() {
assert!(matches!(b'1', b'0'..=b'9'));
assert!(matches!('X', 'A'..='Z'));
assert!(matches!('x', 'A'..='Z' | 'a'..='z'));
assert!(matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F'));
}
#[clippy::msrv = "1.46"]
fn msrv_1_46() {
const FOO: bool = matches!('x', '0'..='9');
const BAR: bool = matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F');
}
#[clippy::msrv = "1.47"]
fn msrv_1_47() {
const FOO: bool = matches!('x', '0'..='9');
const BAR: bool = matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F');
}
#[allow(clippy::deref_addrof, clippy::needless_borrow)]
fn with_refs() {
let cool_letter = &&'g';
('0'..='9').contains(&&cool_letter);
('a'..='z').contains(*cool_letter);
}
fn generics() {
fn a<U>(u: &U) -> bool
where
char: PartialOrd<U>,
U: PartialOrd<char> + ?Sized,
{
('A'..='Z').contains(u)
}
fn take_while<Item, F>(cond: F)
where
Item: Sized,
F: Fn(Item) -> bool,
{
}
take_while(|c| ('A'..='Z').contains(&c));
take_while(|c| (b'A'..=b'Z').contains(&c));
take_while(|c: char| ('A'..='Z').contains(&c));
}