sort record

gistfile1.txt

#include <algorithm>
#include <iostream>
#include<random>
using namespace std;
template <int size>
struct record_int {
	int x;
	char P[size - sizeof(int)];

	bool operator<(const record_int<size> & rhs) {
		return x < rhs.x;
	}

	record_int(){}
	record_int(int xx) :x{ xx } {}
};


template <int size>
struct record_float {
	float x;
	char P[size - sizeof(float)];
	bool operator<(const record_float<size> & rhs) {
		return x < rhs.x;
	}
	
	record_float() {}
	record_float(float xx) :x{ xx } {}
};

template <int size>
struct record_string {
	string x;
	char P[size - sizeof(string)];
	bool operator<(const record_string<size> & rhs) {
		return x < rhs.x;
	}
	record_string() {}
	record_string(string xx) :x{ xx } {}
};
template <int size>
void generate_record_int(record_int<size> * arr, int n) {
	std::random_device rd;  //Will be used to obtain a seed for the random number engine
	std::mt19937 gen(rd()); //Standard mersenne_twister_engine seeded with rd()
	std::uniform_int_distribution<> dis(0, 26 - 1);

	for (int i = 0; i < n; ++i) {
		arr[i] = dis(gen);
	}
}


int main() {
	record_int<16> *arr= new record_int<16>[100];
	generate_record_int<16>(arr, 100);

	sort(arr, arr + 100);
}