28 lines
466 B
C++
28 lines
466 B
C++
class foo_params{
|
|
friend void foo(foo_params p);
|
|
public:
|
|
foo_params(int r):
|
|
required_param_(r),
|
|
optional_x_(0),
|
|
optional_y_(1),
|
|
optional_z_(3.1415)
|
|
{}
|
|
foo_params& x(int i){
|
|
optional_x_=i;
|
|
return *this;
|
|
}
|
|
foo_params& y(int i){
|
|
optional_y_=i;
|
|
return *this;
|
|
}
|
|
foo_params& z(float f){
|
|
optional_z_=f;
|
|
return *this;
|
|
}
|
|
private:
|
|
int required_param_;
|
|
int optional_x_;
|
|
int optional_y_;
|
|
float optional_z_;
|
|
};
|