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|
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:13:13
|
LL | let 0 = v1;
| ^ pattern `1_u32..=u32::MAX` 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/ch19-02-refutability.html
= note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
|
LL | if let 0 = v1 { todo!() };
| ++ +++++++++++
help: alternatively, you could prepend the pattern with an underscore to define a new named variable; identifiers cannot begin with digits
|
LL | let _0 = v1;
| +
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:14:14
|
LL | let (0 | 1) = v1;
| ^^^^^ pattern `2_u32..=u32::MAX` 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/ch19-02-refutability.html
= note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
|
LL | if let (0 | 1) = v1 { todo!() };
| ++ +++++++++++
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:15:13
|
LL | let 1.. = v1;
| ^^^ pattern `0_u32` 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/ch19-02-refutability.html
= note: the matched value is of type `u32`
help: you might want to use `if let` to ignore the variant that isn't matched
|
LL | if let 1.. = v1 { todo!() };
| ++ +++++++++++
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:16:13
|
LL | let [0, 0, 0, 0] = v2;
| ^^^^^^^^^^^^ pattern `[1_u32..=u32::MAX, _, _, _]` 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/ch19-02-refutability.html
= note: the matched value is of type `[u32; 4]`
help: you might want to use `if let` to ignore the variant that isn't matched
|
LL | if let [0, 0, 0, 0] = v2 { todo!() };
| ++ +++++++++++
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:17:13
|
LL | let [0] = v4;
| ^^^ patterns `&[]` and `&[_, _, ..]` 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/ch19-02-refutability.html
= note: the matched value is of type `&[u32]`
help: you might want to use `if let` to ignore the variants that aren't matched
|
LL | if let [0] = v4 { todo!() };
| ++ +++++++++++
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:18:13
|
LL | let Refutable::A = v3;
| ^^^^^^^^^^^^ pattern `Refutable::B` 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/ch19-02-refutability.html
note: `Refutable` defined here
--> $DIR/bad-pattern.rs:4:6
|
LL | enum Refutable {
| ^^^^^^^^^
LL | A,
LL | B,
| - not covered
= note: the matched value is of type `Refutable`
help: you might want to use `if let` to ignore the variant that isn't matched
|
LL | if let Refutable::A = v3 { todo!() };
| ++ +++++++++++
error[E0005]: refutable pattern in local binding
--> $DIR/bad-pattern.rs:19:13
|
LL | const PAT: u32 = 0;
| -------------- missing patterns are not covered because `PAT` is interpreted as a constant pattern, not a new variable
...
LL | let PAT = v1;
| ^^^ pattern `1_u32..=u32::MAX` 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/ch19-02-refutability.html
= note: the matched value is of type `u32`
help: introduce a variable instead
|
LL | let PAT_var = v1;
| ~~~~~~~
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0005`.
|
