// Part of the Crubit project, under the Apache License v2.0 with LLVM | |
// Exceptions. See /LICENSE for license information. | |
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
#[cfg(feature = "required_feature")] | |
#[no_mangle] | |
pub extern "C" fn foo() -> i32 { | |
42 | |
} | |
#[cfg(not(feature = "required_feature"))] | |
const _: () = "this is a type error, because required_feature was unset"; |