std::map struct initializer
1234567891011121314151617181920212223242526272829303132
// Map enum to a describing struct
#include <iostream>
#include <string>
#include <map>
enum { First, Second };
struct Foo {
std::string name;
Foo(std::string name_):name(name_){}
Foo():name("(unknown)"){}
};
// Variant 1: Use array for mapping (requires identical enumeration as in enum)
Foo foo[] = {
Foo("Hullo"), // First
Foo("cudepud") // Second
};
// Variant 2: Use map (allows for arbitrary, non-consecutive enum values)
std::map<int,Foo> bar = {{First,Foo("Hallo")}, {Second,Foo("cadepad")}};
int main()
{
using namespace std;
cout << foo[First].name << " " << foo[Second].name << " ("
<< sizeof(foo)/sizeof(foo[0]) << " Foo's in array)" << endl;
cout << bar[First].name << " " << bar[Second].name << " ("
<< bar.size() << " Foo's in map)" << endl;
return 0;
}
Cpp
INFO