rust/tests/ui/half-open-range-patterns/range_pat_interactions1.stderr
Esteban Küber 7f5548fa8b On function and method calls in patterns, link to the book
```
error: expected a pattern, found an expression
 --> f889.rs:3:13
  |
3 |     let (x, y.drop()) = (1, 2); //~ ERROR
  |             ^^^^^^^^ not a pattern
  |
  = note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>

error[E0532]: expected a pattern, found a function call
 --> f889.rs:2:13
  |
2 |     let (x, drop(y)) = (1, 2); //~ ERROR
  |             ^^^^ not a tuple struct or tuple variant
  |
  = note: function calls are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>
```

Fix #97200.
2024-10-06 01:44:59 +00:00

41 lines
1.6 KiB
Plaintext

error: expected a pattern range bound, found an expression
--> $DIR/range_pat_interactions1.rs:17:16
|
LL | 0..5+1 => errors_only.push(x),
| ^^^ not a pattern
|
= note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>
help: consider extracting the expression into a `const`
|
LL + const VAL: /* Type */ = 5+1;
LL ~ match x as i32 {
LL ~ 0..VAL => errors_only.push(x),
|
help: consider wrapping the expression in an inline `const` (requires `#![feature(inline_const_pat)]`)
|
LL | 0..const { 5+1 } => errors_only.push(x),
| +++++++ +
error[E0408]: variable `n` is not bound in all patterns
--> $DIR/range_pat_interactions1.rs:10:25
|
LL | if let n @ 2..3|4 = x {
| - ^ pattern doesn't bind `n`
| |
| variable not in all patterns
error[E0658]: inline-const in pattern position is experimental
--> $DIR/range_pat_interactions1.rs:21:20
|
LL | y @ 0..const { 5 + 1 } => assert_eq!(y, 5),
| ^^^^^
|
= note: see issue #76001 <https://github.com/rust-lang/rust/issues/76001> for more information
= help: add `#![feature(inline_const_pat)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0408, E0658.
For more information about an error, try `rustc --explain E0408`.