#![feature(exclusive_range_pattern)] #![feature(half_open_range_patterns)] #![warn(clippy::match_overlapping_arm)] #![allow(clippy::redundant_pattern_matching)] #![allow(clippy::if_same_then_else)] /// 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!("0 ... 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"), _ => (), } /* // FIXME(JohnTitor): uncomment this once rustfmt knows half-open patterns match 42 { 0.. => println!("0 .. 42"), 3.. => println!("3 .. 42"), _ => (), } match 42 { ..=23 => println!("0 ... 23"), ..26 => println!("0 .. 26"), _ => (), } */ if let None = Some(42) { // nothing } else if let None = Some(42) { // another nothing :-) } } fn main() {}