Defining Structs
Structures (structs) group related variables under one name. In C++, structs can also have methods, making them similar to classes.
Example
struct Point {
double x;
double y;
// Method
double distanceTo(const Point& other) const {
double dx = x - other.x;
double dy = y - other.y;
return sqrt(dx * dx + dy * dy);
}
};
// Create and use struct
Point p1 = {3.0, 4.0};
Point p2 = {0.0, 0.0};
cout << p1.distanceTo(p2) << endl; // 5.0
// Struct with default values
struct Config {
int width = 800;
int height = 600;
bool fullscreen = false;
string title = "My App";
};
Config cfg; // uses defaults
Config custom = {1920, 1080, true, "Game"};