任何想法为什么这个错误在编译时出现？
ComplexNumber.cpp:21: error: default argument given for parameter 1 of ‘void ComplexNumber::print(std::ostream&) const’
ComplexNumber.h:17: error: after previous specification in ‘void ComplexNumber::print(std::ostream&) const’
这是我在这些特定领域的代码:
ComplexNumber.cpp
21 void ComplexNumber::print(ostream & out = cout) const {
ComplexNumber.h
17 void print(ostream & out = cout) const;