C++ typedef array

// This will define a type named TYPE representing an array of 4 doubles  
typedef double TYPE[4];

Source: cplusplus.com

Typeid to string c++

#include <string>
#include <typeinfo>
#include <iostream>

using namespace std;

int main(int argc, char** argv) {
    string str = "string";
    cout << typeid(str).name();
    return 0;
}

Source: stackoverflow.com

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