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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// <memory>
// unique_ptr
// The following constructors should not be selected by class template argument
// deduction:
//
// constexpr explicit unique_ptr(pointer p) // constexpr since C++23
// constexpr unique_ptr(pointer p, const D& d) noexcept // constexpr since C++23
// constexpr unique_ptr(pointer p, remove_reference_t<D>&& d) noexcept // constexpr since C++23
#include <memory>
#include "deduction_guides_sfinae_checks.h"
struct Deleter {
void operator()(int* p) const { delete p; }
};
int main(int, char**) {
// Cannot deduce from (ptr).
static_assert(SFINAEs_away<std::unique_ptr, int*>);
// Cannot deduce from (array).
static_assert(SFINAEs_away<std::unique_ptr, int[]>);
// Cannot deduce from (ptr, Deleter&&).
static_assert(SFINAEs_away<std::unique_ptr, int*, Deleter&&>);
// Cannot deduce from (array, Deleter&&).
static_assert(SFINAEs_away<std::unique_ptr, int[], Deleter&&>);
// Cannot deduce from (ptr, const Deleter&).
static_assert(SFINAEs_away<std::unique_ptr, int*, const Deleter&>);
// Cannot deduce from (array, const Deleter&).
static_assert(SFINAEs_away<std::unique_ptr, int[], const Deleter&>);
return 0;
}
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