mirror of
https://github.com/rust-lang/rust
synced 2024-11-05 20:45:15 +00:00
3b38dd9112
Better diagnostic message when trying to pattern match a tuple struct with a struct pattern.
18 lines
420 B
Rust
18 lines
420 B
Rust
struct S(i32, f32);
|
|
enum E {
|
|
S(i32, f32),
|
|
}
|
|
fn main() {
|
|
let x = E::S(1, 2.2);
|
|
match x {
|
|
E::S { 0, 1 } => {}
|
|
//~^ ERROR tuple variant `E::S` written as struct variant [E0769]
|
|
}
|
|
let y = S(1, 2.2);
|
|
match y {
|
|
S { } => {} //~ ERROR: tuple variant `S` written as struct variant [E0769]
|
|
}
|
|
|
|
if let E::S { 0: a } = x { //~ ERROR: pattern does not mention field `1`
|
|
}
|
|
}
|