35 lines
488 B
C++
35 lines
488 B
C++
#include <iostream>
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using namespace std;
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class bar {};
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// java 程序员风格
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void foo() {
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cout << "method 1" << endl;
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bar *ptr = new bar();
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delete ptr;
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}
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bar *make_bar() {
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bar *ptr = nullptr;
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try {
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ptr = new bar();
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} catch (...) {
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delete ptr;
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throw;
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}
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return ptr;
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}
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// 独立出函数 分配和释放不在一个函数里
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void foo1() {
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cout << "method 2" << endl;
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bar *ptr = make_bar();
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delete ptr;
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}
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int main() {
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foo();
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foo1();
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return 0;
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} |