thrust::identity< T > Struct Template Reference

#include <functional.h>

Inheritance diagram for thrust::identity< T >:

List of all members.

Public Member Functions
__host__ __device__ const T &	operator() (const T &x) const

---

Detailed Description

template<typename T>
struct thrust::identity< T >

identity is a Unary Function that represents the identity function: it takes a single argument x, and returns x.

Template Parameters:

T	No requirements on T.

The following code snippet demonstrates that identity returns its argument.

  #include <thrust/functional.h>
  #include <assert.h>
  ...
  int x = 137;
  thrust::identity<int> id;
  assert(x == id(x));

See also:

http://www.sgi.com/tech/stl/identity.html

unary_function

---

Member Function Documentation

template<typename T>

__host__ __device__ const T& thrust::identity< T >::operator()

(

const T &

x

)

const [inline]

Function call operator. The return value is x.

---

The documentation for this struct was generated from the following file:

• functional.h