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author | Dimitry Andric <dim@FreeBSD.org> | 2021-07-29 20:15:26 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2021-07-29 20:15:26 +0000 |
commit | 344a3780b2e33f6ca763666c380202b18aab72a3 (patch) | |
tree | f0b203ee6eb71d7fdd792373e3c81eb18d6934dd /libcxx/include/__algorithm/generate_n.h | |
parent | b60736ec1405bb0a8dd40989f67ef4c93da068ab (diff) |
vendor/llvm-project/llvmorg-13-init-16847-g88e66fa60ae5vendor/llvm-project/llvmorg-12.0.1-rc2-0-ge7dac564cd0evendor/llvm-project/llvmorg-12.0.1-0-gfed41342a82f
Diffstat (limited to 'libcxx/include/__algorithm/generate_n.h')
-rw-r--r-- | libcxx/include/__algorithm/generate_n.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libcxx/include/__algorithm/generate_n.h b/libcxx/include/__algorithm/generate_n.h new file mode 100644 index 000000000000..c31259858613 --- /dev/null +++ b/libcxx/include/__algorithm/generate_n.h @@ -0,0 +1,40 @@ +//===----------------------------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___ALGORITHM_GENERATE_N_H +#define _LIBCPP___ALGORITHM_GENERATE_N_H + +#include <__config> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _OutputIterator, class _Size, class _Generator> +inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen) +{ + typedef decltype(_VSTD::__convert_to_integral(__orig_n)) _IntegralSize; + _IntegralSize __n = __orig_n; + for (; __n > 0; ++__first, (void) --__n) + *__first = __gen(); + return __first; +} + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___ALGORITHM_GENERATE_N_H |