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Added crbegin and crend to Boost.Array; refs #4761. Will close ticket when merged to release branch

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[SVN r67481]
This commit is contained in:
Marshall Clow
2010-12-28 19:14:23 +00:00
parent 05aa660128
commit 97e912e82e
2 changed files with 22 additions and 1 deletions
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16
include/boost/array.hpp
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@ -13,7 +13,7 @@
* accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* 28 Dec 2010 - (mtc) Added cbegin and cend for C++Ox compatibility.
* 28 Dec 2010 - (mtc) Added cbegin and cend (and crbegin and crend) for C++Ox compatibility.
* 10 Mar 2010 - (mtc) fill method added, matching resolution of the standard library working group.
* See <http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#776> or Trac issue #3168
* Eventually, we should remove "assign" which is now a synonym for "fill" (Marshall Clow)
@ -103,10 +103,17 @@ namespace boost {
const_reverse_iterator rbegin() const {
return const_reverse_iterator(end());
}
const_reverse_iterator crbegin() const {
return const_reverse_iterator(end());
}
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const {
return const_reverse_iterator(begin());
}
const_reverse_iterator crend() const {
return const_reverse_iterator(begin());
}
// operator[]
reference operator[](size_type i)
@ -237,10 +244,17 @@ namespace boost {
const_reverse_iterator rbegin() const {
return const_reverse_iterator(end());
}
const_reverse_iterator crbegin() const {
return const_reverse_iterator(end());
}
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const {
return const_reverse_iterator(begin());
}
const_reverse_iterator crend() const {
return const_reverse_iterator(begin());
}
// operator[]
reference operator[](size_type /*i*/)

7
test/array3.cpp
View File

@ -39,6 +39,13 @@ int main()
=seasons.rbegin(); pos<seasons.rend(); ++pos) {
std::cout << " " << *pos;
}
// try constant reverse iterators
std::cout << "reverse: ";
for (boost::array<std::string,4>::const_reverse_iterator pos
=seasons.crbegin(); pos<seasons.crend(); ++pos) {
std::cout << " " << *pos;
}
std::cout << std::endl;
return 0; // makes Visual-C++ compiler happy