高质量C++C编程指南(下)

NULL 89:;<\rstrcpy(m_data, other. m_data);\r)\r/ / JK\rString & String::operate =(const String ftother) // 13 %\r(\r// (1)MNOJK # 4 %\rif (this == feother)\rreturn *this;\r// (2)STUV\rWXYZ # 3 %\rdelete [ m__data;\r/ / ( 3 ) %\]\rWXYZ?^_`Wa# 3 %\rint length = strlen(other. m_data);\rm_data = new char[length+1] ; // 567 NULL 89:;<\rstrcpy(m_data, other. m_data);\r// ( 4 ) bcdef\rgh # 3 %\rreturn *this;\r)\r2001 Page 45 of 46.\rP`pC++/C?\nv 1.0\r2001 Page 46 of 46