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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, c++17
// <span>
// constexpr explicit(extent != dynamic_extent) span(std::initializer_list<value_type> il); // Since C++26
#include <span>
#include <utility>
#include "test_macros.h"
// Test P2447R4 "Annex C examples"
void one(std::pair<int, int>);
void one(std::span<const int>);
void two(std::span<const int, 2>);
void test_P2447R4_annex_c_examples() {
// 1. Overload resolution is affected
#if TEST_STD_VER >= 26
// expected-error@+1 {{call to 'one' is ambiguous}}
one({1, 2});
#else
// expected-no-diagnostics
one({1, 2});
#endif
// 2. The `initializer_list` ctor has high precedence
#if TEST_STD_VER >= 26
// expected-error@+1 {{chosen constructor is explicit in copy-initialization}}
two({{1, 2}});
#else
// expected-no-diagnostics
two({{1, 2}});
#endif
// 3. Implicit two-argument construction with a highly convertible value_type
// --> tested in "initializer_list.pass.cpp"
}
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