thrust::project1st< T1, T2 > Struct Template Reference

#include <thrust/functional.h>

Public Types
typedef T1	first_argument_type
	The type of the function object's first argument.
typedef T2	second_argument_type
	The type of the function object's second argument.
typedef T1	result_type
	The type of the function object's result;.

Public Member Functions
__host__ __device__ constexpr const T1 &	operator() (const T1 &lhs, const T2 &) const

Detailed Description

template<typename T1 = void, typename T2 = void>
struct thrust::project1st< T1, T2 >

project1st is a function object that takes two arguments and returns its first argument; the second argument is unused. It is essentially a generalization of identity to the case of a Binary Function.

#include <thrust/functional.h>
#include <assert.h>
...
int x =  137;
int y = -137;
thrust::project1st<int> pj1;
assert(x == pj1(x,y));

See also

identity

project2nd

binary_function

---

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

• thrust/functional.h