// Copyright 2018 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(core_intrinsics)] #[repr(i8)] pub enum Enum { VariantA, VariantB, } fn make_b() -> Enum { Enum::VariantB } fn main() { assert_eq!(1, make_b() as i8); assert_eq!(1, make_b() as u8); assert_eq!(1, make_b() as i32); assert_eq!(1, make_b() as u32); assert_eq!(1, unsafe { std::intrinsics::discriminant_value(&make_b()) }); }