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