error[E0004]: non-exhaustive patterns: `Foo { first: false, second: Some([_, _, _, _]) }` not covered --> $DIR/non-exhaustive-pattern-witness.rs:7:11 | LL | / struct Foo { LL | | first: bool, LL | | second: Option<[usize; 4]> LL | | } | |_- `Foo` defined here ... LL | match (Foo { first: true, second: None }) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo { first: false, second: Some([_, _, _, _]) }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `Foo` error[E0004]: non-exhaustive patterns: `Red` not covered --> $DIR/non-exhaustive-pattern-witness.rs:23:11 | LL | / enum Color { LL | | Red, | | --- not covered LL | | Green, LL | | CustomRGBA { a: bool, r: u8, g: u8, b: u8 } LL | | } | |_- `Color` defined here ... LL | match Color::Red { | ^^^^^^^^^^ pattern `Red` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `Color` error[E0004]: non-exhaustive patterns: `East`, `South` and `West` not covered --> $DIR/non-exhaustive-pattern-witness.rs:35:11 | LL | / enum Direction { LL | | North, East, South, West | | ---- ----- ---- not covered | | | | | | | not covered | | not covered LL | | } | |_- `Direction` defined here ... LL | match Direction::North { | ^^^^^^^^^^^^^^^^ patterns `East`, `South` and `West` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `Direction` error[E0004]: non-exhaustive patterns: `Second`, `Third`, `Fourth` and 8 more not covered --> $DIR/non-exhaustive-pattern-witness.rs:46:11 | LL | / enum ExcessiveEnum { LL | | First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth, Eleventh, Twelfth LL | | } | |_- `ExcessiveEnum` defined here ... LL | match ExcessiveEnum::First { | ^^^^^^^^^^^^^^^^^^^^ patterns `Second`, `Third`, `Fourth` and 8 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `ExcessiveEnum` error[E0004]: non-exhaustive patterns: `CustomRGBA { a: true, .. }` not covered --> $DIR/non-exhaustive-pattern-witness.rs:54:11 | LL | / enum Color { LL | | Red, LL | | Green, LL | | CustomRGBA { a: bool, r: u8, g: u8, b: u8 } | | ---------- not covered LL | | } | |_- `Color` defined here ... LL | match Color::Red { | ^^^^^^^^^^ pattern `CustomRGBA { a: true, .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `Color` error[E0004]: non-exhaustive patterns: `[Second(true), Second(false)]` not covered --> $DIR/non-exhaustive-pattern-witness.rs:70:11 | LL | match *x { | ^^ pattern `[Second(true), Second(false)]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `[Enum]` error[E0004]: non-exhaustive patterns: `((), false)` not covered --> $DIR/non-exhaustive-pattern-witness.rs:83:11 | LL | match ((), false) { | ^^^^^^^^^^^ pattern `((), false)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms = note: the matched value is of type `((), bool)` error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0004`.