#![deny(unreachable_patterns)] fn main() { match 0.0 { 0.0..=1.0 => {} _ => {} // ok } match 0.0 { //~^ ERROR non-exhaustive patterns 0.0..=1.0 => {} } match 1.0f64 { 0.01f64..=6.5f64 => {} 0.005f64 => {} 0.01f64 => {} //~ ERROR unreachable pattern 0.02f64 => {} //~ ERROR unreachable pattern 6.5f64 => {} //~ ERROR unreachable pattern 6.6f64 => {} 1.0f64..=4.0f64 => {} //~ ERROR unreachable pattern 5.0f64..=7.0f64 => {} _ => {} }; match 1.0f64 { 0.01f64..6.5f64 => {} 6.5f64 => {} // this is reachable _ => {} }; match 1.0f32 { 0.01f32..=6.5f32 => {} 0.01f32 => {} //~ ERROR unreachable pattern 0.02f32 => {} //~ ERROR unreachable pattern 6.5f32 => {} //~ ERROR unreachable pattern _ => {} }; match 1.0f32 { 0.01f32..6.5f32 => {} 6.5f32 => {} // this is reachable _ => {} }; }