src/test/ui/pattern/usefulness/non-exhaustive-pattern-witness.stderr

   1 error[E0004]: non-exhaustive patterns: `Foo { first: false, second: Some([_, _, _, _]) }` not covered
   2   --> $DIR/non-exhaustive-pattern-witness.rs:7:11
   3    |
   4 LL | / struct Foo {
   5 LL | |     first: bool,
   6 LL | |     second: Option<[usize; 4]>
   7 LL | | }
   8    | |_- `Foo` defined here
   9 ...
  10 LL |       match (Foo { first: true, second: None }) {
  11    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo { first: false, second: Some([_, _, _, _]) }` not covered
  12    |
  13    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  14
  15 error[E0004]: non-exhaustive patterns: `Red` not covered
  16   --> $DIR/non-exhaustive-pattern-witness.rs:23:11
  17    |
  18 LL | / enum Color {
  19 LL | |     Red,
  20    | |     --- not covered
  21 LL | |     Green,
  22 LL | |     CustomRGBA { a: bool, r: u8, g: u8, b: u8 }
  23 LL | | }
  24    | |_- `Color` defined here
  25 ...
  26 LL |       match Color::Red {
  27    |             ^^^^^^^^^^ pattern `Red` not covered
  28    |
  29    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  30
  31 error[E0004]: non-exhaustive patterns: `East`, `South` and `West` not covered
  32   --> $DIR/non-exhaustive-pattern-witness.rs:35:11
  33    |
  34 LL | / enum Direction {
  35 LL | |     North, East, South, West
  36    | |            ----  -----  ---- not covered
  37    | |            |     |
  38    | |            |     not covered
  39    | |            not covered
  40 LL | | }
  41    | |_- `Direction` defined here
  42 ...
  43 LL |       match Direction::North {
  44    |             ^^^^^^^^^^^^^^^^ patterns `East`, `South` and `West` not covered
  45    |
  46    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  47
  48 error[E0004]: non-exhaustive patterns: `Second`, `Third`, `Fourth` and 8 more not covered
  49   --> $DIR/non-exhaustive-pattern-witness.rs:46:11
  50    |
  51 LL | / enum ExcessiveEnum {
  52 LL | |     First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth, Eleventh, Twelfth
  53 LL | | }
  54    | |_- `ExcessiveEnum` defined here
  55 ...
  56 LL |       match ExcessiveEnum::First {
  57    |             ^^^^^^^^^^^^^^^^^^^^ patterns `Second`, `Third`, `Fourth` and 8 more not covered
  58    |
  59    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  60
  61 error[E0004]: non-exhaustive patterns: `CustomRGBA { a: true, .. }` not covered
  62   --> $DIR/non-exhaustive-pattern-witness.rs:54:11
  63    |
  64 LL | / enum Color {
  65 LL | |     Red,
  66 LL | |     Green,
  67 LL | |     CustomRGBA { a: bool, r: u8, g: u8, b: u8 }
  68    | |     ---------- not covered
  69 LL | | }
  70    | |_- `Color` defined here
  71 ...
  72 LL |       match Color::Red {
  73    |             ^^^^^^^^^^ pattern `CustomRGBA { a: true, .. }` not covered
  74    |
  75    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  76
  77 error[E0004]: non-exhaustive patterns: `[Second(true), Second(false)]` not covered
  78   --> $DIR/non-exhaustive-pattern-witness.rs:70:11
  79    |
  80 LL |     match *x {
  81    |           ^^ pattern `[Second(true), Second(false)]` not covered
  82    |
  83    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  84
  85 error[E0004]: non-exhaustive patterns: `((), false)` not covered
  86   --> $DIR/non-exhaustive-pattern-witness.rs:83:11
  87    |
  88 LL |     match ((), false) {
  89    |           ^^^^^^^^^^^ pattern `((), false)` not covered
  90    |
  91    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
  92
  93 error: aborting due to 7 previous errors
  94
  95 For more information about this error, try `rustc --explain E0004`.