rust/tests/ui/parser/recover/recover-pat-lets.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

61 lines
2.0 KiB
Plaintext

error: expected a pattern, found an expression
--> $DIR/recover-pat-lets.rs:4:9
|
LL | let x.expect("foo");
| ^^^^^^^^^^^^^^^ not a pattern
|
= note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>
error: expected a pattern, found an expression
--> $DIR/recover-pat-lets.rs:7:9
|
LL | let x.unwrap(): u32;
| ^^^^^^^^^^ not a pattern
|
= note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>
error: expected a pattern, found an expression
--> $DIR/recover-pat-lets.rs:10:9
|
LL | let x[0] = 1;
| ^^^^ not a pattern
|
= note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>
error: expected a pattern, found an expression
--> $DIR/recover-pat-lets.rs:13:14
|
LL | let Some(1 + 1) = x else {
| ^^^^^ 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 */ = 1 + 1;
LL ~ let Some(VAL) = x else {
|
help: consider wrapping the expression in an inline `const` (requires `#![feature(inline_const_pat)]`)
|
LL | let Some(const { 1 + 1 }) = x else {
| +++++++ +
error: expected a pattern, found an expression
--> $DIR/recover-pat-lets.rs:17:17
|
LL | if let Some(1 + 1) = 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 */ = 1 + 1;
LL ~ if let Some(VAL) = x {
|
help: consider wrapping the expression in an inline `const` (requires `#![feature(inline_const_pat)]`)
|
LL | if let Some(const { 1 + 1 }) = x {
| +++++++ +
error: aborting due to 5 previous errors