| //===-- Self contained functional header ------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_UTILS_CPP_FUNCTIONAL_H |
| #define LLVM_LIBC_UTILS_CPP_FUNCTIONAL_H |
| |
| namespace __llvm_libc { |
| namespace cpp { |
| |
| template <typename Func> class Function; |
| |
| template <typename Ret, typename... Params> class Function<Ret(Params...)> { |
| Ret (*func)(Params...) = nullptr; |
| |
| public: |
| constexpr Function() = default; |
| template <typename Func> constexpr Function(Func &&f) : func(f) {} |
| |
| constexpr Ret operator()(Params... params) { return func(params...); } |
| }; |
| |
| } // namespace cpp |
| } // namespace __llvm_libc |
| |
| #endif // LLVM_LIBC_UTILS_CPP_FUNCTIONAL_H |