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nothrow_t Structure

The struct is used as a function parameter to operator new to indicate that the function should return a null pointer to report an allocation failure, rather than throw an exception.

struct std::nothrow_t {};

The struct helps the compiler to select the correct version of the constructor. nothrow (<new>) is a synonym for objects of type std::nothrow_t.

See operator new and operator new[] for examples of how std::nothrow_t is used as a function parameter.

Header: <new>

Namespace: std

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