llvm/libc/src/__support/CPP/type_traits/invoke.h

//===-- invoke type_traits --------------------------------------*- 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_SRC___SUPPORT_CPP_TYPE_TRAITS_INVOKE_H
#define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_INVOKE_H

#include "src/__support/CPP/type_traits/always_false.h"
#include "src/__support/CPP/type_traits/decay.h"
#include "src/__support/CPP/type_traits/enable_if.h"
#include "src/__support/CPP/type_traits/is_base_of.h"
#include "src/__support/CPP/type_traits/is_pointer.h"
#include "src/__support/CPP/type_traits/is_same.h"
#include "src/__support/CPP/utility/forward.h"
#include "src/__support/macros/attributes.h" // LIBC_INLINE
#include "src/__support/macros/config.h"

namespace LIBC_NAMESPACE_DECL {
namespace cpp {

namespace detail {

// Catch all function and functor types.
template <class FunctionPtrType> struct invoke_dispatcher { … };

// Catch pointer to member function types.
invoke_dispatcher<FunctionReturnType Class::*>;

} // namespace detail
template <class Function, class... Args>
decltype(auto) invoke(Function &&fun, Args &&...args) { … }

} // namespace cpp
} // namespace LIBC_NAMESPACE_DECL

#endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_INVOKE_H