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Implement C++17 std::sample.

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This patch implements the std::sample function added to C++17 from LFTS. It
also removes the std::experimental::sample implementation which now forwards
to std::sample.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@279948 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-08-28 22:14:37 +00:00
parent 17c38db650
commit 917af0a073
7 changed files with 333 additions and 62 deletions
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8
test/std/experimental/algorithms/alg.random.sample/sample.fail.cpp
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@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <algorithm>
// template <class PopulationIterator, class SampleIterator, class Distance,
@@ -32,8 +34,8 @@ template <class PopulationIterator, class SampleIterator> void test() {
}
int main() {
// expected-error@experimental/algorithm:* {{static_assert failed "SampleIterator must meet the requirements of RandomAccessIterator"}}
// expected-error@experimental/algorithm:* 2 {{does not provide a subscript operator}}
// expected-error@experimental/algorithm:* {{invalid operands}}
// expected-error@algorithm:* {{static_assert failed "SampleIterator must meet the requirements of RandomAccessIterator"}}
// expected-error@algorithm:* 2 {{does not provide a subscript operator}}
// expected-error@algorithm:* {{invalid operands}}
test<input_iterator<int *>, output_iterator<int *> >();
}