diff options
3 files changed, 59 insertions, 6 deletions
diff --git a/libcxx/include/iterator b/libcxx/include/iterator index b1bcdfc10b0..7bfd0498b32 100644 --- a/libcxx/include/iterator +++ b/libcxx/include/iterator @@ -138,6 +138,8 @@ template <class Iterator> reverse_iterator<Iterator> operator+(typename reverse_iterator<Iterator>::difference_type n, const reverse_iterator<Iterator>& x); +template <class Iterator> reverse_iterator<Iterator> make_reverse_iterator(Iterator i); // C++14 + template <class Container> class back_insert_iterator { @@ -633,6 +635,15 @@ operator+(typename reverse_iterator<_Iter>::difference_type __n, const reverse_i return reverse_iterator<_Iter>(__x.base() - __n); } +#if _LIBCPP_STD_VER > 11 +template <class _Iter> +inline _LIBCPP_INLINE_VISIBILITY +reverse_iterator<_Iter> make_reverse_iterator(_Iter __i) +{ + return reverse_iterator<_Iter>(__i); +} +#endif + template <class _Container> class _LIBCPP_TYPE_VIS_ONLY back_insert_iterator : public iterator<output_iterator_tag, diff --git a/libcxx/test/iterators/predef.iterators/reverse.iterators/reverse.iter.ops/reverse.iter.make/make_reverse_iterator.pass.cpp b/libcxx/test/iterators/predef.iterators/reverse.iterators/reverse.iter.ops/reverse.iter.make/make_reverse_iterator.pass.cpp new file mode 100644 index 00000000000..c97d954479d --- /dev/null +++ b/libcxx/test/iterators/predef.iterators/reverse.iterators/reverse.iter.ops/reverse.iter.make/make_reverse_iterator.pass.cpp @@ -0,0 +1,42 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <iterator> + +// reverse_iterator + +// template <class Iterator> reverse_iterator<Iterator> +// make_reverse_iterator(Iterator i); + +#include <iterator> +#include <cassert> + +#include "test_iterators.h" + +#if _LIBCPP_STD_VER > 11 + +template <class It> +void +test(It i) +{ + const std::reverse_iterator<It> r = std::make_reverse_iterator(i); + assert(r.base() == i); +} + +int main() +{ + const char* s = "1234567890"; + random_access_iterator<const char*>b(s); + random_access_iterator<const char*>e(s+10); + while ( b != e ) + test ( b++ ); +} +#else +int main () {} +#endif diff --git a/libcxx/www/cxx1y_status.html b/libcxx/www/cxx1y_status.html index 3ab81e07ea3..c698463a82b 100644 --- a/libcxx/www/cxx1y_status.html +++ b/libcxx/www/cxx1y_status.html @@ -223,18 +223,18 @@ <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2272">2272</a></td><td>quoted should use char_traits::eq for character comparison</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2278">2278</a></td><td>User-defined literals for Standard Library types</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2280">2280</a></td><td>begin / end for arrays should be constexpr and noexcept</td><td>Issaquah</td><td>Complete</td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2285">2285</a></td><td>make_reverse_iterator</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2285">2285</a></td><td>make_reverse_iterator</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2299">2299</a></td><td>Effects of inaccessible key_compare::is_transparent type are not clear</td><td>Issaquah</td><td>Complete</td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1450">1450</a></td><td>Contradiction in regex_constants</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1450">1450</a></td><td>Contradiction in regex_constants</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2003">2003</a></td><td>String exception inconsistency in erase.</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2112">2112</a></td><td>User-defined classes that cannot be derived from</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2132">2132</a></td><td>std::function ambiguity</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2182">2182</a></td><td>Container::[const_]reference types are misleadingly specified</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2188">2188</a></td><td>Reverse iterator does not fully support targets that overload operator&</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2193">2193</a></td><td>Default constructors for standard library containers are explicit</td><td>Issaquah</td><td></td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2205">2205</a></td><td>Problematic postconditions of regex_match and regex_search</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2205">2205</a></td><td>Problematic postconditions of regex_match and regex_search</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2213">2213</a></td><td>Return value of std::regex_replace</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2258">2258</a></td><td>a.erase(q1, q2) unable to directly return q2</td><td>Issaquah</td><td>Complete</td></tr> @@ -249,8 +249,8 @@ <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2315">2315</a></td><td>weak_ptr should be movable</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2316">2316</a></td><td>weak_ptr::lock() should be atomic</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2317">2317</a></td><td>The type property queries should be UnaryTypeTraits returning size_t</td><td>Issaquah</td><td>Complete</td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2320">2320</a></td><td>select_on_container_copy_construction() takes allocators, not containers</td><td>Issaquah</td><td></td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2322">2322</a></td><td>Associative(initializer_list, stuff) constructors are underspecified</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2320">2320</a></td><td>select_on_container_copy_construction() takes allocators, not containers</td><td>Issaquah</td><td>Complete</td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2322">2322</a></td><td>Associative(initializer_list, stuff) constructors are underspecified</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2323">2323</a></td><td>vector::resize(n, t)'s specification should be simplified</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2324">2324</a></td><td>Insert iterator constructors should use addressof()</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2329">2329</a></td><td>regex_match()/regex_search() with match_results should forbid temporary strings</td><td>Issaquah</td><td>Complete</td></tr> @@ -263,7 +263,7 @@ <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2350">2350</a></td><td>min, max, and minmax should be constexpr</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2356">2356</a></td><td>Stability of erasure in unordered associative containers</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2357">2357</a></td><td>Remaining "Assignable" requirement</td><td>Issaquah</td><td></td></tr> - <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2359">2359</a></td><td>How does regex_constants::nosubs affect basic_regex::mark_count()?</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2359">2359</a></td><td>How does regex_constants::nosubs affect basic_regex::mark_count()?</td><td>Issaquah</td><td>Complete</td></tr> <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2360">2360</a></td><td>reverse_iterator::operator*() is unimplementable</td><td>Issaquah</td><td></td></tr> <!-- <tr><td></td><td></td><td></td><td></td></tr> --> </table> |
