1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
struct Website {
url: String,
title: Option<String>,
}
enum Foo {
Bar { a: i32 },
}
fn main() {
let website = Website {
url: "http://www.example.com".into(),
title: Some("Example Domain".into()),
};
if let Website { url, Some(title) } = website { //~ ERROR expected `,`
//~^ NOTE while parsing the fields for this pattern
println!("[{}]({})", title, url); // we hide the errors for `title` and `url`
}
if let Website { url, .. } = website { //~ NOTE this pattern
println!("[{}]({})", title, url); //~ ERROR cannot find value `title` in this scope
//~^ NOTE not found in this scope
}
let x = Foo::Bar { a: 1 };
if let Foo::Bar { .. } = x { //~ NOTE this pattern
println!("{a}"); //~ ERROR cannot find value `a` in this scope
}
}
|
