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