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rust/tests/ui/cast/issue-88621.rs

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Disallow non-c-like but "fieldless" ADTs from being casted to integer... ... if they use arbitrary enum discriminant. Code like ```rust enum Enum { Foo = 1, Bar(), Baz{} } ``` seems to be unintentionally allowed so we couldn't disallow them now, but we could disallow them if arbitrary enum discriminant is used before 1.56 hits stable.
2021-09-24 21:58:25 +01:00
#[repr(u8)]
enum Kind2 {
Foo() = 1,
Bar{} = 2,
Baz = 3,
}
fn main() {
let _ = Kind2::Foo() as u8;
//~^ ERROR non-primitive cast
}
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