Last change
on this file since 1263:a490938ad0aa was
1052:172ce6c3ac6e,
checked in by Alpar Juttner, 20 years ago
|
Two examples showing a bit more convenient way to implement named parameters.
|
File size:
858 bytes
|
Line | |
---|
1 | struct TR |
---|
2 | { |
---|
3 | int a; |
---|
4 | int b; |
---|
5 | int c; |
---|
6 | }; |
---|
7 | |
---|
8 | template<class T> struct D : public T |
---|
9 | { |
---|
10 | |
---|
11 | D(const T &tt) : T(tt) {}; |
---|
12 | |
---|
13 | template<class X> struct TA : public T { |
---|
14 | X a; |
---|
15 | TA(const T &t,const X& x) : T(t), a(x) {}; |
---|
16 | }; |
---|
17 | |
---|
18 | template<class X> D<TA<X> > setA(const X &x) { |
---|
19 | return D<TA<X> >(TA<X>(*this,x)); |
---|
20 | } |
---|
21 | |
---|
22 | template<class X> struct TB : public T { |
---|
23 | X b; |
---|
24 | TB(const T &t,const X& x) : T(t), b(x) {}; |
---|
25 | }; |
---|
26 | |
---|
27 | template<class X> D<TB<X> > setB(const X &x) { |
---|
28 | return D<TB<X> >(TB<X>(*this,x)); |
---|
29 | } |
---|
30 | |
---|
31 | template<class X> struct TC : public T { |
---|
32 | X c; |
---|
33 | TC(const T &t,const X& x) : T(t), c(x) {}; |
---|
34 | }; |
---|
35 | |
---|
36 | template<class X> D<TC<X> > setC(const X &x) { |
---|
37 | return D<TC<X> >(TC<X>(*this,x)); |
---|
38 | } |
---|
39 | ~D() |
---|
40 | { |
---|
41 | //Itt csinalunk valamit |
---|
42 | } |
---|
43 | }; |
---|
44 | |
---|
45 | D<TR> d() |
---|
46 | { |
---|
47 | return D<TR>(TR()); |
---|
48 | } |
---|
49 | |
---|
50 | int main() |
---|
51 | { |
---|
52 | d(); |
---|
53 | d().setA(5.5).setB(10).setC(1.5e12); |
---|
54 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.