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Diffstat (limited to 'tests/ui/pattern/usefulness/non-exhaustive-defined-here.stderr')
| -rw-r--r-- | tests/ui/pattern/usefulness/non-exhaustive-defined-here.stderr | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/tests/ui/pattern/usefulness/non-exhaustive-defined-here.stderr b/tests/ui/pattern/usefulness/non-exhaustive-defined-here.stderr new file mode 100644 index 000000000..769d4070f --- /dev/null +++ b/tests/ui/pattern/usefulness/non-exhaustive-defined-here.stderr @@ -0,0 +1,194 @@ +error[E0004]: non-exhaustive patterns: `E::B` and `E::C` not covered + --> $DIR/non-exhaustive-defined-here.rs:35:11 + | +LL | match e1 { + | ^^ patterns `E::B` and `E::C` not covered + | +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:14:5 + | +LL | enum E { + | - +... +LL | B, + | ^ not covered +... +LL | C + | ^ not covered + = note: the matched value is of type `E` +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 ~ E::A => {} +LL + E::B | E::C => todo!() + | + +error[E0005]: refutable pattern in local binding + --> $DIR/non-exhaustive-defined-here.rs:41:9 + | +LL | let E::A = e; + | ^^^^ patterns `E::B` and `E::C` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:6:6 + | +LL | enum E { + | ^ +... +LL | B, + | - not covered +... +LL | C + | - not covered + = note: the matched value is of type `E` +help: you might want to use `if let` to ignore the variants that aren't matched + | +LL | if let E::A = e { todo!() } + | ++ ~~~~~~~~~~~ + +error[E0004]: non-exhaustive patterns: `&E::B` and `&E::C` not covered + --> $DIR/non-exhaustive-defined-here.rs:50:11 + | +LL | match e { + | ^ patterns `&E::B` and `&E::C` not covered + | +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:14:5 + | +LL | enum E { + | - +... +LL | B, + | ^ not covered +... +LL | C + | ^ not covered + = note: the matched value is of type `&E` +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 ~ E::A => {} +LL + &E::B | &E::C => todo!() + | + +error[E0005]: refutable pattern in local binding + --> $DIR/non-exhaustive-defined-here.rs:57:9 + | +LL | let E::A = e; + | ^^^^ patterns `&E::B` and `&E::C` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:6:6 + | +LL | enum E { + | ^ +... +LL | B, + | - not covered +... +LL | C + | - not covered + = note: the matched value is of type `&E` +help: you might want to use `if let` to ignore the variants that aren't matched + | +LL | if let E::A = e { todo!() } + | ++ ~~~~~~~~~~~ + +error[E0004]: non-exhaustive patterns: `&&mut &E::B` and `&&mut &E::C` not covered + --> $DIR/non-exhaustive-defined-here.rs:66:11 + | +LL | match e { + | ^ patterns `&&mut &E::B` and `&&mut &E::C` not covered + | +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:14:5 + | +LL | enum E { + | - +... +LL | B, + | ^ not covered +... +LL | C + | ^ not covered + = note: the matched value is of type `&&mut &E` +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 ~ E::A => {} +LL + &&mut &E::B | &&mut &E::C => todo!() + | + +error[E0005]: refutable pattern in local binding + --> $DIR/non-exhaustive-defined-here.rs:73:9 + | +LL | let E::A = e; + | ^^^^ patterns `&&mut &E::B` and `&&mut &E::C` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +note: `E` defined here + --> $DIR/non-exhaustive-defined-here.rs:6:6 + | +LL | enum E { + | ^ +... +LL | B, + | - not covered +... +LL | C + | - not covered + = note: the matched value is of type `&&mut &E` +help: you might want to use `if let` to ignore the variants that aren't matched + | +LL | if let E::A = e { todo!() } + | ++ ~~~~~~~~~~~ + +error[E0004]: non-exhaustive patterns: `Opt::None` not covered + --> $DIR/non-exhaustive-defined-here.rs:92:11 + | +LL | match e { + | ^ pattern `Opt::None` not covered + | +note: `Opt` defined here + --> $DIR/non-exhaustive-defined-here.rs:85:5 + | +LL | enum Opt { + | --- +... +LL | None, + | ^^^^ not covered + = note: the matched value is of type `Opt` +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 ~ Opt::Some(ref _x) => {} +LL + Opt::None => todo!() + | + +error[E0005]: refutable pattern in local binding + --> $DIR/non-exhaustive-defined-here.rs:99:9 + | +LL | let Opt::Some(ref _x) = e; + | ^^^^^^^^^^^^^^^^^ pattern `Opt::None` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +note: `Opt` defined here + --> $DIR/non-exhaustive-defined-here.rs:81:6 + | +LL | enum Opt { + | ^^^ +... +LL | None, + | ---- not covered + = note: the matched value is of type `Opt` +help: you might want to use `let else` to handle the variant that isn't matched + | +LL | let Opt::Some(ref _x) = e else { todo!() }; + | ++++++++++++++++ + +error: aborting due to 8 previous errors + +Some errors have detailed explanations: E0004, E0005. +For more information about an error, try `rustc --explain E0004`. |