This constant value is used as an argument for and to indicate that these functions shall not throw an exception on failure, but return a null pointer instead.
int * p = new (std::nothrow) int; int *p = new(std::nothrow)int[10]
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This constant value is used as an argument for and to indicate that these functions shall not throw an exception on failure, but return a null pointer instead.
int * p = new (std::nothrow) int; int *p = new(std::nothrow)int[10]
转载于:https://www.cnblogs.com/mingzhang/p/11296307.html