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