< cpp‎ | memory‎ | new
Dynamic memory management
Uninitialized storage
(deprecated since c++17)
(deprecated since c++17)
(deprecated since c++17)
Garbage collection support
C Library
Low level memory management
Defined in header <new>
struct nothrow_t {};
(until C++17)
struct nothrow_t { explicit nothrow_t() = default; };
(since C++17)

std::nothrow_t is an empty class type used to disambiguate the overloads of throwing and non-throwing allocation functions.

See also

an object of type nothrow_t used to select an non-throwing allocation function
allocation functions