error: this boolean expression contains a logic bug --> $DIR/booleans.rs:12:13 | 12 | let _ = a && b || a; | ^^^^^^^^^^^ help: it would look like the following: `a` | = note: `-D logic-bug` implied by `-D warnings` help: this expression can be optimized out by applying boolean operations to the outer expression --> $DIR/booleans.rs:12:18 | 12 | let _ = a && b || a; | ^ error: this boolean expression can be simplified --> $DIR/booleans.rs:14:13 | 14 | let _ = !true; | ^^^^^ help: try: `false` | = note: `-D nonminimal-bool` implied by `-D warnings` error: this boolean expression can be simplified --> $DIR/booleans.rs:15:13 | 15 | let _ = !false; | ^^^^^^ help: try: `true` error: this boolean expression can be simplified --> $DIR/booleans.rs:16:13 | 16 | let _ = !!a; | ^^^ help: try: `a` error: this boolean expression contains a logic bug --> $DIR/booleans.rs:17:13 | 17 | let _ = false && a; | ^^^^^^^^^^ help: it would look like the following: `false` | help: this expression can be optimized out by applying boolean operations to the outer expression --> $DIR/booleans.rs:17:22 | 17 | let _ = false && a; | ^ error: this boolean expression can be simplified --> $DIR/booleans.rs:18:13 | 18 | let _ = false || a; | ^^^^^^^^^^ help: try: `a` error: this boolean expression can be simplified --> $DIR/booleans.rs:23:13 | 23 | let _ = !(!a && b); | ^^^^^^^^^^ help: try: `!b || a` error: this boolean expression contains a logic bug --> $DIR/booleans.rs:33:13 | 33 | let _ = a == b && a != b; | ^^^^^^^^^^^^^^^^ help: it would look like the following: `false` | help: this expression can be optimized out by applying boolean operations to the outer expression --> $DIR/booleans.rs:33:13 | 33 | let _ = a == b && a != b; | ^^^^^^ error: this boolean expression can be simplified --> $DIR/booleans.rs:34:13 | 34 | let _ = a == b && c == 5 && a == b; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try | 34 | let _ = a == b && c == 5; | ^^^^^^^^^^^^^^^^ 34 | let _ = !(c != 5 || a != b); | ^^^^^^^^^^^^^^^^^^^ error: this boolean expression can be simplified --> $DIR/booleans.rs:35:13 | 35 | let _ = a == b && c == 5 && b == a; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try | 35 | let _ = a == b && c == 5; | ^^^^^^^^^^^^^^^^ 35 | let _ = !(c != 5 || a != b); | ^^^^^^^^^^^^^^^^^^^ error: this boolean expression contains a logic bug --> $DIR/booleans.rs:36:13 | 36 | let _ = a < b && a >= b; | ^^^^^^^^^^^^^^^ help: it would look like the following: `false` | help: this expression can be optimized out by applying boolean operations to the outer expression --> $DIR/booleans.rs:36:13 | 36 | let _ = a < b && a >= b; | ^^^^^ error: this boolean expression contains a logic bug --> $DIR/booleans.rs:37:13 | 37 | let _ = a > b && a <= b; | ^^^^^^^^^^^^^^^ help: it would look like the following: `false` | help: this expression can be optimized out by applying boolean operations to the outer expression --> $DIR/booleans.rs:37:13 | 37 | let _ = a > b && a <= b; | ^^^^^ error: this boolean expression can be simplified --> $DIR/booleans.rs:39:13 | 39 | let _ = a != b || !(a != b || c == d); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try | 39 | let _ = c != d || a != b; | ^^^^^^^^^^^^^^^^ 39 | let _ = !(a == b && c == d); | ^^^^^^^^^^^^^^^^^^^ error: this boolean expression can be simplified --> $DIR/booleans.rs:47:13 | 47 | let _ = !a.is_some(); | ^^^^^^^^^^^^ help: try: `a.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:49:13 | 49 | let _ = !a.is_none(); | ^^^^^^^^^^^^ help: try: `a.is_some()` error: this boolean expression can be simplified --> $DIR/booleans.rs:51:13 | 51 | let _ = !b.is_err(); | ^^^^^^^^^^^ help: try: `b.is_ok()` error: this boolean expression can be simplified --> $DIR/booleans.rs:53:13 | 53 | let _ = !b.is_ok(); | ^^^^^^^^^^ help: try: `b.is_err()` error: this boolean expression can be simplified --> $DIR/booleans.rs:55:13 | 55 | let _ = !(a.is_some() && !c); | ^^^^^^^^^^^^^^^^^^^^ help: try: `c || a.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:56:13 | 56 | let _ = !(!c ^ c) || !a.is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(!c ^ c) || a.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:57:13 | 57 | let _ = (!c ^ c) || !a.is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(!c ^ c) || a.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:58:13 | 58 | let _ = !c ^ c || !a.is_some(); | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `!c ^ c || a.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:110:8 | 110 | if !res.is_ok() { } | ^^^^^^^^^^^^ help: try: `res.is_err()` error: this boolean expression can be simplified --> $DIR/booleans.rs:111:8 | 111 | if !res.is_err() { } | ^^^^^^^^^^^^^ help: try: `res.is_ok()` error: this boolean expression can be simplified --> $DIR/booleans.rs:114:8 | 114 | if !res.is_some() { } | ^^^^^^^^^^^^^^ help: try: `res.is_none()` error: this boolean expression can be simplified --> $DIR/booleans.rs:115:8 | 115 | if !res.is_none() { } | ^^^^^^^^^^^^^^ help: try: `res.is_some()` error: aborting due to 25 previous errors