code. compile. run. debug. share.
#include <map>
#include <set>
#include <iostream>
class my_class_t
{
public:
my_class_t(int x, int y) :
m_x{x},
m_y{y}
{
}
friend auto operator<=>(const my_class_t& lhs, const my_class_t& rhs);
private:
int m_x;
int m_y;
};
auto operator<=>(const my_class_t& lhs, const my_class_t& rhs)
{
if (lhs.m_x == rhs.m_x)
{
return lhs.m_y <=> rhs.m_y;
}
return lhs.m_x <=> rhs.m_x;
}
int main()
{
std::set<my_class_t> set{{1,1},{2,1},{2,2}};
std::map<my_class_t,int> map{{{1,1},1}, {{1,2},2}};
int value = map[{1,2}];
std::cout << value;
return value;
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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