// run-rustfix #![warn(clippy::all)] #![warn(clippy::redundant_pattern_matching)] #![allow(clippy::unit_arg, clippy::let_unit_value, unused_must_use)] fn main() { if let Ok(_) = Ok::<i32, i32>(42) {} if let Err(_) = Err::<i32, i32>(42) {} if let None = None::<()> {} if let Some(_) = Some(42) {} if Ok::<i32, i32>(42).is_ok() {} if Err::<i32, i32>(42).is_err() {} if None::<i32>.is_none() {} if Some(42).is_some() {} if let Ok(x) = Ok::<i32, i32>(42) { println!("{}", x); } match Ok::<i32, i32>(42) { Ok(_) => true, Err(_) => false, }; match Ok::<i32, i32>(42) { Ok(_) => false, Err(_) => true, }; match Err::<i32, i32>(42) { Ok(_) => false, Err(_) => true, }; match Err::<i32, i32>(42) { Ok(_) => true, Err(_) => false, }; match Some(42) { Some(_) => true, None => false, }; match None::<()> { Some(_) => false, None => true, }; let _ = match None::<()> { Some(_) => false, None => true, }; let _ = if let Ok(_) = Ok::<usize, ()>(4) { true } else { false }; let _ = does_something(); let _ = returns_unit(); let opt = Some(false); let x = if let Some(_) = opt { true } else { false }; takes_bool(x); } fn takes_bool(_: bool) {} fn does_something() -> bool { if let Ok(_) = Ok::<i32, i32>(4) { true } else { false } } fn returns_unit() { if let Ok(_) = Ok::<i32, i32>(4) { true } else { false }; }