code
1
#include
<
iostream
>
2
#include
<
vector
>
3
#include
<
iterator
>
4
using
namespace
std;
5
6
template
<
class
Cont,
class
PtrMemFun
>
7
void
apply(Cont
&
c, PtrMemFun f)
8
{
9
typename Cont::iterator it
=
c.begin();
10
while
(it
!=
c.end())
11
{
12
((
*
it).
*
f)();
13
it
++
;
14
}
15
}
16
17
class
Z
18
{
19
int
i;
20
public
:
21
Z(
int
ii) : i(ii) {}
22
void
g() { i
++
; }
23
friend ostream
&
operator
<<
(ostream
&
os,
const
Z
&
z)
24
{
25
return
os
<<
z.i;
26
}
27
};
28
29
int
main()
30
{
31
ostream_iterator
<
Z
>
out
(cout,
"
"
);
32
vector
<
Z
>
vz;
33
for
(
int
i
=
0
; i
<
10
; i
++
)
34
{
35
vz.push_back(Z(i));
36
}
37
copy(vz.begin(), vz.end(),
out
);
38
cout
<<
endl;
39
apply(vz,
&
Z::g);
40
copy(vz.begin(), vz.end(),
out
);
41
cin.
get
();
42
}
转载于:https://www.cnblogs.com/zhtf2014/archive/2011/01/08/1930948.html
