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当我添加#include<boost/bimap.hpp> 我想从它的值中找到映射的键时，我遇到了解析模板错误，因此我想到了使用 Boost 的 Bimap 但得到以下错误。

/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<(const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&, const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout2>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:375:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
                   ^
/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<=(const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&, const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout2>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:383:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
                   ^
/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<(const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&, const std::pair<F, S>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:424:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
                   ^
/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<=(const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&, const std::pair<F, S>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:432:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
                   ^
/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<(const std::pair<F, S>&, const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:473:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
                   ^
/usr/include/boost/bimap/relation/structured_pair.hpp: In function ‘bool boost::bimaps::relation::operator<=(const std::pair<F, S>&, const boost::bimaps::relation::structured_pair<FirstType, SecondType, Info, Layout1>&)’:
/usr/include/boost/bimap/relation/structured_pair.hpp:481:19: error: parse error in template argument list
     return (  ( a.first  <  b.first  ) ||
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1 回答 1

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使用 GCC 4.8.5：

所以总而言之，看起来你做错了什么。还有哪些其他内容？如果可能，检查预处理的源。

于 2018-02-09T17:22:51.707 回答