C++ lambda

Cpp lambda function

#include <iostream>
using namespace std;

bool isGreater = [](int a, int b){ return a > b; }

int main() {
	cout << isGreater(5, 2) << endl; // Output: 1
	return 0;
}

C++ lambda

[ captureClause ] ( parameters ) -> returnType
{
    statements;
}

Source: learncpp.com

Lambda function in c++

//lambda function for sorting vector ascending
sort(vec.begin(),vec.end(),[](int &a, int &b){
	return a<b;
});
//lambda function for sorting vector of vector ascending based on first value
sort(vec.begin(),vec.end(),[](vector<int> &a, vector<int> &b){
	return a[0]<b[0];
});

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