# C++ concepts: PODType

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< cpp‎ | concept

Specifies that the type is POD (Plain Old Data) type. This means the type is compatible with the types used in the C programming language, can be manipulated using C library functions: it can be created with std::malloc, it can be copied with std::memmove, etc, and can be exchanged with C libraries directly, in its binary form.

Note, that the standard doesn't define a named requirement or concept with this name. This is a type category defined by the core language. It is included here as concept only for consistency.

### Requirements

Either:

- a scalar type;
- a class type (class or struct or union) that is:

- an aggregate type;
- has no non-static members that are non-POD;
- has no members of reference type;
- has no user-defined copy constructor;
- has no user-defined destructor;

(until C++11)

- a trivial type;
- a standard layout type;
- has no non-static members that are non-POD;

(since C++11)

- an array of such type.

### See also

is_pod (C++11) | checks if a type is plain-old data (POD) type (class template)

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