rust/tests/ui/resolve/issue-10200.rs
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

10 lines
181 B
Rust

struct Foo(bool);
fn foo(_: usize) -> Foo { Foo(false) }
fn main() {
match Foo(true) {
foo(x) //~ ERROR expected a pattern, found a function call
=> ()
}
}