Capture of variables in lambda expressions in C#
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Func<int, int> MakeWallet(int sum) {
return pay => sum -= pay;
}
var payFromWallet1 = MakeWallet(1000);
var payFromWallet2 = MakeWallet(500);
var balance = payFromWallet1(50);
//balans is 950
balance = payFromWallet2(70);
//balance is 430
balance = payFromWallet1(150);
//balans is 800
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