60 lines
1.7 KiB
Rust
60 lines
1.7 KiB
Rust
#![feature(exclusive_range_pattern)]
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#![deny(overlapping_range_endpoints)]
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macro_rules! m {
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($s:expr, $t1:pat, $t2:pat) => {
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match $s {
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$t1 => {}
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$t2 => {}
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_ => {}
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}
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}
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}
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fn main() {
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m!(0u8, 20..=30, 30..=40); //~ ERROR multiple patterns overlap on their endpoints
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m!(0u8, 30..=40, 20..=30); //~ ERROR multiple patterns overlap on their endpoints
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m!(0u8, 20..=30, 31..=40);
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m!(0u8, 20..=30, 29..=40);
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m!(0u8, 20.. 30, 29..=40); //~ ERROR multiple patterns overlap on their endpoints
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m!(0u8, 20.. 30, 28..=40);
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m!(0u8, 20.. 30, 30..=40);
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m!(0u8, 20..=30, 30..=30);
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m!(0u8, 20..=30, 30..=31); //~ ERROR multiple patterns overlap on their endpoints
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m!(0u8, 20..=30, 29..=30);
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m!(0u8, 20..=30, 20..=20);
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m!(0u8, 20..=30, 20..=21);
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m!(0u8, 20..=30, 19..=20); //~ ERROR multiple patterns overlap on their endpoints
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m!(0u8, 20..=30, 20);
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m!(0u8, 20..=30, 25);
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m!(0u8, 20..=30, 30);
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m!(0u8, 20.. 30, 29);
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m!(0u8, 20, 20..=30);
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m!(0u8, 25, 20..=30);
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m!(0u8, 30, 20..=30);
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match 0u8 {
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0..=10 => {}
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20..=30 => {}
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10..=20 => {} //~ ERROR multiple patterns overlap on their endpoints
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_ => {}
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}
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match (0u8, true) {
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(0..=10, true) => {}
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(10..20, true) => {} // not detected
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(10..20, false) => {}
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_ => {}
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}
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match (true, 0u8) {
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(true, 0..=10) => {}
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(true, 10..20) => {} //~ ERROR multiple patterns overlap on their endpoints
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(false, 10..20) => {}
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_ => {}
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}
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match Some(0u8) {
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Some(0..=10) => {}
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Some(10..20) => {} //~ ERROR multiple patterns overlap on their endpoints
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_ => {}
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}
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}
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