mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:00:12 +01:00
23 lines
737 B
C++
23 lines
737 B
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#ifndef CARBON_EXPLORER_BASE_NONNULL_H_
|
|
#define CARBON_EXPLORER_BASE_NONNULL_H_
|
|
|
|
#include <type_traits>
|
|
|
|
namespace Carbon {
|
|
|
|
// A non-nullable pointer. Written as `Nonnull<T*>` instead of `T*`.
|
|
//
|
|
// Sanitizers enforce this dynamically on assignment, return, and when passing
|
|
// as an argument. Static analysis will also track erroneous uses of `nullptr`.
|
|
template <typename T,
|
|
typename std::enable_if_t<std::is_pointer_v<T>>* = nullptr>
|
|
using Nonnull = T _Nonnull;
|
|
|
|
} // namespace Carbon
|
|
|
|
#endif // CARBON_EXPLORER_BASE_NONNULL_H_
|