rust/tests/ui/structs/struct-tuple-field-names.rs
Maciej Wasilewski 3b38dd9112 better diagnostics for pattern matching tuple structs
Better diagnostic message when trying to pattern match a tuple struct with a struct pattern.
2023-03-30 10:38:04 +02:00

19 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`
}
}