set_difference
この関数は2つの集合オブジェクトを取り、それらに違いを与えます。
#include <dlib / set_utils.h>
template <
typename T,
typename U,
typename V
>
void set_difference (
const T& a,
const U& b,
V& d
);
/*!
requires
- T, U, and V must all be implementations of set/set_kernel_abstract.h
- the types of objects contained in these sets must be copyable
ensures
- #d == the difference of a and b. That is, d contains all elements
of a that are NOT in b.
!*/