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#![feature(exclusive_range_pattern)]
#![warn(clippy::match_overlapping_arm)]
#![allow(clippy::redundant_pattern_matching)]
#![allow(clippy::if_same_then_else, clippy::equatable_if_let, clippy::needless_if)]
/// Tests for match_overlapping_arm
fn overlapping() {
const FOO: u64 = 2;
match 42 {
0..=10 => println!("0..=10"),
0..=11 => println!("0..=11"),
_ => (),
}
match 42 {
0..=5 => println!("0..=5"),
6..=7 => println!("6..=7"),
FOO..=11 => println!("FOO..=11"),
_ => (),
}
match 42 {
2 => println!("2"),
0..=5 => println!("0..=5"),
_ => (),
}
match 42 {
2 => println!("2"),
0..=2 => println!("0..=2"),
_ => (),
}
match 42 {
0..=10 => println!("0..=10"),
11..=50 => println!("11..=50"),
_ => (),
}
match 42 {
2 => println!("2"),
0..2 => println!("0..2"),
_ => (),
}
match 42 {
0..10 => println!("0..10"),
10..50 => println!("10..50"),
_ => (),
}
match 42 {
0..11 => println!("0..11"),
0..=11 => println!("0..=11"),
_ => (),
}
match 42 {
5..7 => println!("5..7"),
0..10 => println!("0..10"),
_ => (),
}
match 42 {
5..10 => println!("5..10"),
0..=10 => println!("0..=10"),
_ => (),
}
match 42 {
0..14 => println!("0..14"),
5..10 => println!("5..10"),
_ => (),
}
match 42 {
5..14 => println!("5..14"),
0..=10 => println!("0..=10"),
_ => (),
}
match 42 {
0..7 => println!("0..7"),
0..=10 => println!("0..=10"),
_ => (),
}
match 42 {
3.. => println!("3.."),
0.. => println!("0.."),
_ => (),
}
match 42 {
..=23 => println!("..=23"),
..26 => println!("..26"),
_ => (),
}
// Issue #7816 - overlap after included range
match 42 {
5..=10 => (),
0..=20 => (),
21..=30 => (),
21..=40 => (),
_ => (),
}
// Issue #7829
match 0 {
-1..=1 => (),
-2..=2 => (),
_ => (),
}
// Only warn about the first if there are multiple overlaps
match 42u128 {
0..=0x0000_0000_0000_00ff => (),
0..=0x0000_0000_0000_ffff => (),
0..=0x0000_0000_ffff_ffff => (),
0..=0xffff_ffff_ffff_ffff => (),
_ => (),
}
if let None = Some(42) {
// nothing
} else if let None = Some(42) {
// another nothing :-)
}
}
fn main() {}
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