请问这是什么错误提示??????????
Compiling...
sDlg.cpp
Linking...
sDlg.obj : error LNK2001: unresolved external symbol "protected: float __thiscall CSDlg::e(char *)" (?e@CSDlg@@IAEMPAD@Z)
Debug/s.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
s.exe - 2 error(s), 0 warning(s)
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我定义了类模板
stack<char> a;
stack<float> b;