xref: /freebsd/contrib/llvm-project/libcxx/include/__numeric/iota.h (revision d9a42747950146bf03cda7f6e25d219253f8a57a)
1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP___NUMERIC_IOTA_H
11 #define _LIBCPP___NUMERIC_IOTA_H
12 
13 #include <__config>
14 
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 #  pragma GCC system_header
17 #endif
18 
19 _LIBCPP_BEGIN_NAMESPACE_STD
20 
21 template <class _ForwardIterator, class _Tp>
22 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
23 void
24 iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value)
25 {
26     for (; __first != __last; ++__first, (void) ++__value)
27         *__first = __value;
28 }
29 
30 _LIBCPP_END_NAMESPACE_STD
31 
32 #endif // _LIBCPP___NUMERIC_IOTA_H
33