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#![feature(rustc_private)]
//@ edition: 2021
// Checks the error messages produced by `#[derive(TryFromU32)]`.
extern crate rustc_macros;
use rustc_macros::TryFromU32;
#[derive(TryFromU32)]
struct MyStruct {} //~ type is not an enum
#[derive(TryFromU32)]
enum NonTrivial {
A,
B(),
C {},
D(bool), //~ enum variant cannot have fields
E(bool, bool), //~ enum variant cannot have fields
F { x: bool }, //~ enum variant cannot have fields
G { x: bool, y: bool }, //~ enum variant cannot have fields
}
fn main() {}
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