error[E0004]: non-exhaustive patterns: `T::A` not covered --> $DIR/non-exhaustive-match.rs:7:11 | LL | match x { T::B => { } } | ^ pattern `T::A` not covered | note: `T` defined here --> $DIR/non-exhaustive-match.rs:3:10 | LL | enum T { A, B } | - ^ not covered = note: the matched value is of type `T` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match x { T::B => { }, T::A => todo!() } | +++++++++++++++++ error[E0004]: non-exhaustive patterns: `false` not covered --> $DIR/non-exhaustive-match.rs:8:11 | LL | match true { | ^^^^ pattern `false` not covered | = note: the matched value is of type `bool` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ true => {} LL + false => todo!() | error[E0004]: non-exhaustive patterns: `Some(_)` not covered --> $DIR/non-exhaustive-match.rs:11:11 | LL | match Some(10) { | ^^^^^^^^ pattern `Some(_)` not covered | note: `Option` defined here --> $SRC_DIR/core/src/option.rs:LL:COL ::: $SRC_DIR/core/src/option.rs:LL:COL | = note: not covered = note: the matched value is of type `Option` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ None => {} LL + Some(_) => todo!() | error[E0004]: non-exhaustive patterns: `(_, _, i32::MIN..=3_i32)` and `(_, _, 5_i32..=i32::MAX)` not covered --> $DIR/non-exhaustive-match.rs:14:11 | LL | match (2, 3, 4) { | ^^^^^^^^^ patterns `(_, _, i32::MIN..=3_i32)` and `(_, _, 5_i32..=i32::MAX)` not covered | = note: the matched value is of type `(i32, i32, i32)` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ (_, _, 4) => {} LL + (_, _, i32::MIN..=3_i32) | (_, _, 5_i32..=i32::MAX) => todo!() | error[E0004]: non-exhaustive patterns: `(T::A, T::A)` and `(T::B, T::B)` not covered --> $DIR/non-exhaustive-match.rs:18:11 | LL | match (T::A, T::A) { | ^^^^^^^^^^^^ patterns `(T::A, T::A)` and `(T::B, T::B)` not covered | = note: the matched value is of type `(T, T)` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ (T::B, T::A) => {} LL + (T::A, T::A) | (T::B, T::B) => todo!() | error[E0004]: non-exhaustive patterns: `T::B` not covered --> $DIR/non-exhaustive-match.rs:22:11 | LL | match T::A { | ^^^^ pattern `T::B` not covered | note: `T` defined here --> $DIR/non-exhaustive-match.rs:3:13 | LL | enum T { A, B } | - ^ not covered = note: the matched value is of type `T` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ T::A => {} LL + T::B => todo!() | error[E0004]: non-exhaustive patterns: `[]` not covered --> $DIR/non-exhaustive-match.rs:33:11 | LL | match *vec { | ^^^^ pattern `[]` not covered | = note: the matched value is of type `[Option]` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ [None] => {} LL + [] => todo!() | error[E0004]: non-exhaustive patterns: `[_, _, _, _, ..]` not covered --> $DIR/non-exhaustive-match.rs:46:11 | LL | match *vec { | ^^^^ pattern `[_, _, _, _, ..]` not covered | = note: the matched value is of type `[f32]` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ [] => (), LL + [_, _, _, _, ..] => todo!() | error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0004`.