1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <valarray>
10
11// template <class T> class slice_array
12
13// void operator=(const T& value) const;
14
15#include <valarray>
16#include <cassert>
17
18#include "test_macros.h"
19
20int main(int, char**)
21{
22 double a[] = { 0, 0, 0 };
23 std::valarray<double> m(a, sizeof(a)/sizeof(a[0]));
24 std::slice_array<double> s = m[std::slice(0, 3, 1)];
25 s = 42;
26 assert(m[0] == 42);
27 assert(m[1] == 42);
28 assert(m[2] == 42);
29
30 ASSERT_SAME_TYPE(decltype(s = 42), void);
31
32 return 0;
33}
34

source code of libcxx/test/std/numerics/numarray/template.slice.array/slice.arr.assign/template.pass.cpp