Linux：No manual entry for std::vector

Linux：No manual entry for std::vector

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1、报错

# man std::vector
No manual entry for std::vector

2、解决

# yum install -y libstdc++-docs

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3、验证

# man std::vector

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4、参考
https://stackoverflow.com/questions/19184983/is-it-possible-to-use-man-stdfind-in-linux