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// check-pass
#![feature(exclusive_range_pattern)]
#![warn(unreachable_patterns)]
#![warn(overlapping_patterns)]
fn main() {
// These cases should generate no warning.
match 10 {
1..10 => {},
10 => {},
_ => {},
}
match 10 {
1..10 => {},
9..=10 => {}, //~ WARNING multiple patterns covering the same range
_ => {},
}
match 10 {
1..10 => {},
10..=10 => {},
_ => {},
}
// These cases should generate "unreachable pattern" warnings.
match 10 {
1..10 => {},
9 => {}, //~ WARNING unreachable pattern
_ => {},
}
match 10 {
1..10 => {},
8..=9 => {}, //~ WARNING unreachable pattern
_ => {},
}
match 10 {
5..7 => {},
6 => {}, //~ WARNING unreachable pattern
1..10 => {},
9..=9 => {}, //~ WARNING unreachable pattern
6 => {}, //~ WARNING unreachable pattern
_ => {},
}
}
|
