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Merge pull request #73 from Hailios/rvalue_ref_func_iterator

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add forward reference assignment operator to function_output_iterator
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Andrey Semashev 2022-06-30 23:24:11 +03:00 committed by GitHub
commit 7b6edb6a7d
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1 changed files with 14 additions and 0 deletions
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14
include/boost/iterator/function_output_iterator.hpp
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@ -12,6 +12,11 @@
#define BOOST_ITERATOR_FUNCTION_OUTPUT_ITERATOR_HPP #define BOOST_ITERATOR_FUNCTION_OUTPUT_ITERATOR_HPP
#include <iterator> #include <iterator>
#include <boost/config.hpp>
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
#include <utility>
#endif
namespace boost { namespace boost {
namespace iterators { namespace iterators {
@ -33,10 +38,19 @@ namespace iterators {
struct output_proxy { struct output_proxy {
output_proxy(UnaryFunction& f) : m_f(f) { } output_proxy(UnaryFunction& f) : m_f(f) { }
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
template <class T> output_proxy& operator=(const T& value) { template <class T> output_proxy& operator=(const T& value) {
m_f(value); m_f(value);
return *this; return *this;
} }
#else
template <class T> output_proxy& operator=(T&& value) {
m_f(std::forward<T>(value));
return *this;
}
#endif
UnaryFunction& m_f; UnaryFunction& m_f;
}; };
output_proxy operator*() { return output_proxy(m_f); } output_proxy operator*() { return output_proxy(m_f); }