error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:16:5 | LL | matches!(maybe_some, None if !boolean) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `maybe_some.is_none() && (!boolean)` | = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:20:13 | LL | let _ = matches!(maybe_some, None if boolean || boolean2); // guard needs parentheses | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `maybe_some.is_none() && (boolean || boolean2)` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:29:12 | LL | if let None = None::<()> {} | -------^^^^------------- help: try: `if None::<()>.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:31:12 | LL | if let Some(_) = Some(42) {} | -------^^^^^^^----------- help: try: `if Some(42).is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:33:12 | LL | if let Some(_) = Some(42) { | -------^^^^^^^----------- help: try: `if Some(42).is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:39:15 | LL | while let Some(_) = Some(42) {} | ----------^^^^^^^----------- help: try: `while Some(42).is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:41:15 | LL | while let None = Some(42) {} | ----------^^^^----------- help: try: `while Some(42).is_none()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:43:15 | LL | while let None = None::<()> {} | ----------^^^^------------- help: try: `while None::<()>.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:46:15 | LL | while let Some(_) = v.pop() { | ----------^^^^^^^---------- help: try: `while v.pop().is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:54:5 | LL | / match Some(42) { LL | | Some(_) => true, LL | | None => false, LL | | }; | |_____^ help: try: `Some(42).is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:59:5 | LL | / match None::<()> { LL | | Some(_) => false, LL | | None => true, LL | | }; | |_____^ help: try: `None::<()>.is_none()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:64:13 | LL | let _ = match None::<()> { | _____________^ LL | | Some(_) => false, LL | | None => true, LL | | }; | |_____^ help: try: `None::<()>.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:70:20 | LL | let _ = if let Some(_) = opt { true } else { false }; | -------^^^^^^^------ help: try: `if opt.is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:76:20 | LL | let _ = if let Some(_) = gen_opt() { | -------^^^^^^^------------ help: try: `if gen_opt().is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:78:19 | LL | } else if let None = gen_opt() { | -------^^^^------------ help: try: `if gen_opt().is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:84:12 | LL | if let Some(..) = gen_opt() {} | -------^^^^^^^^------------ help: try: `if gen_opt().is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:99:12 | LL | if let Some(_) = Some(42) {} | -------^^^^^^^----------- help: try: `if Some(42).is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:101:12 | LL | if let None = None::<()> {} | -------^^^^------------- help: try: `if None::<()>.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:103:15 | LL | while let Some(_) = Some(42) {} | ----------^^^^^^^----------- help: try: `while Some(42).is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:105:15 | LL | while let None = None::<()> {} | ----------^^^^------------- help: try: `while None::<()>.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:107:5 | LL | / match Some(42) { LL | | Some(_) => true, LL | | None => false, LL | | }; | |_____^ help: try: `Some(42).is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:112:5 | LL | / match None::<()> { LL | | Some(_) => false, LL | | None => true, LL | | }; | |_____^ help: try: `None::<()>.is_none()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:120:12 | LL | if let None = *(&None::<()>) {} | -------^^^^----------------- help: try: `if (&None::<()>).is_none()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:121:12 | LL | if let None = *&None::<()> {} | -------^^^^--------------- help: try: `if (&None::<()>).is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:127:5 | LL | / match x { LL | | Some(_) => true, LL | | _ => false, LL | | }; | |_____^ help: try: `x.is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:132:5 | LL | / match x { LL | | None => true, LL | | _ => false, LL | | }; | |_____^ help: try: `x.is_none()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:137:5 | LL | / match x { LL | | Some(_) => false, LL | | _ => true, LL | | }; | |_____^ help: try: `x.is_none()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:142:5 | LL | / match x { LL | | None => false, LL | | _ => true, LL | | }; | |_____^ help: try: `x.is_some()` error: redundant pattern matching, consider using `is_some()` --> $DIR/redundant_pattern_matching_option.rs:157:13 | LL | let _ = matches!(x, Some(_)); | ^^^^^^^^^^^^^^^^^^^^ help: try: `x.is_some()` error: redundant pattern matching, consider using `is_none()` --> $DIR/redundant_pattern_matching_option.rs:159:13 | LL | let _ = matches!(x, None); | ^^^^^^^^^^^^^^^^^ help: try: `x.is_none()` error: aborting due to 30 previous errors