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1. example code 变量 j 的类型由decltype(i)进行声明,表示 j 的类型跟 i 相同(或者准确的说,是与 i 这个表达式返回的类型相同)。而类型c则跟(a+b)这个表达式返回的类型相同。decltype总是以一个普通的表达式为参数,返回该表达式的类型。decltype的类型 阅读全文
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UUIDs are used by distributed systems that have to uniquely identify components. For example, Microsoft uses UUIDs to identify interfaces in the COM w 阅读全文
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Archive An archive is a sequence of bytes that represented serialized C++ objects. Objects can be added to an archive to serialize them and then later 阅读全文
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Boost.Integer defines specialized for integers. 1. types for integers with number of bits output: 1 8 1 4 1 8 types such as boost::int8_t and boost::u 阅读全文