1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <valarray>
11
12 // template<class T> class valarray;
13
14 // template <class T>
15 // unspecified1
16 // begin(valarray<T>& v);
17
18 #include <valarray>
19 #include <cassert>
20
main()21 int main()
22 {
23 {
24 typedef int T;
25 T a[] = {1, 2, 3, 4, 5};
26 const unsigned N = sizeof(a)/sizeof(a[0]);
27 std::valarray<T> v(a, N);
28 *begin(v) = 10;
29 assert(v[0] == 10);
30 }
31 }
32