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Do forward input streamable parameter during lexical input streaming.

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Antony Polukhin
2013-12-16 19:05:43 +04:00
parent e3dec04dd5
commit 91b77e7373
1 changed files with 8 additions and 1 deletions
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9
include/boost/lexical_cast.hpp
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@@ -1394,7 +1394,14 @@ namespace boost {
} }
template<typename InputStreamable> template<typename InputStreamable>
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
bool shl_input_streamable(InputStreamable&& input) {
typedef InputStreamable&& forward_type;
#else
bool shl_input_streamable(InputStreamable& input) { bool shl_input_streamable(InputStreamable& input) {
typedef InputStreamable& forward_type;
#endif // BOOST_NO_CXX11_RVALUE_REFERENCES
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_LOCALE) #if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_LOCALE)
// If you have compilation error at this point, than your STL library // If you have compilation error at this point, than your STL library
// does not support such conversions. Try updating it. // does not support such conversions. Try updating it.
@@ -1405,7 +1412,7 @@ namespace boost {
out_stream.exceptions(std::ios::badbit); out_stream.exceptions(std::ios::badbit);
try { try {
#endif #endif
bool const result = !(out_stream << input).fail(); bool const result = !(out_stream << static_cast<forward_type>(input)).fail();
const buffer_t* const p = static_cast<buffer_t*>( const buffer_t* const p = static_cast<buffer_t*>(
static_cast<std::basic_streambuf<CharT, Traits>*>(out_stream.rdbuf()) static_cast<std::basic_streambuf<CharT, Traits>*>(out_stream.rdbuf())
); );