rust/tests/ui/union/union-fields-2.rs
Matthew Jasper 982b49494e Remove revisions for THIR unsafeck
This is to make the diff when stabilizing it easier to review.
2024-01-05 09:30:27 +00:00

24 lines
1.1 KiB
Rust

union U {
a: u8,
b: u16,
}
fn main() {
let u = U {}; //~ ERROR union expressions should have exactly one field
let u = U { a: 0 }; // OK
let u = U { a: 0, b: 1 }; //~ ERROR union expressions should have exactly one field
let u = U { a: 0, b: 1, c: 2 }; //~ ERROR union expressions should have exactly one field
//~^ ERROR union `U` has no field named `c`
let u = U { ..u }; //~ ERROR union expressions should have exactly one field
//~^ ERROR functional record update syntax requires a struct
let U {} = u; //~ ERROR union patterns should have exactly one field
let U { a } = u; // OK
let U { a, b } = u; //~ ERROR union patterns should have exactly one field
let U { a, b, c } = u; //~ ERROR union patterns should have exactly one field
//~^ ERROR union `U` does not have a field named `c`
let U { .. } = u; //~ ERROR union patterns should have exactly one field
//~^ ERROR `..` cannot be used in union patterns
let U { a, .. } = u; //~ ERROR `..` cannot be used in union patterns
}