mirror of https://github.com/xfarrow/lasd.git
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
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#include <iostream>
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using namespace std;
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int main() {
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try {
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ulong* ulptr = new ulong; // Uninitialized unsigned long
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// ulong* ulptr = new ulong(5); // new ulong{5} // Unsigned long initialized to 5
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cout << (*ulptr)++ << endl;
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cout << *ulptr << endl;
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delete ulptr; // ulptr = nullptr;
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// delete ulptr; // Double free cannot be catched!
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} catch (bad_alloc exc) {
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cout << "Quite rare exception!" << endl;
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}
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try {
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const ulong arraysize = 3; // 10000000000
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ulong* ulptr = new ulong[arraysize]; // Uninitialized array of three unsigned longs
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// ulong* ulptr = new ulong[arraysize]{}; // array of three unsigned longs initialized to the default value (0)
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// ulong* ulptr = new ulong[arraysize]{5, 6, 7}; // array of three unsigned longs initialized to 5, 6, and 7.
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cout << ulptr[0]++ << endl;
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cout << ulptr[1] << endl;
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cout << ulptr[2]-- << endl << endl;
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cout << ulptr[0] << endl;
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cout << ulptr[1] << endl;
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cout << ulptr[2] << endl;
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delete[] ulptr; // ulptr = nullptr;
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// delete[] ulptr; // Double free cannot be catched!
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} catch (bad_alloc exc) {
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cout << "Quite rare exception!" << endl;
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}
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return 0;
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}
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