-
Notifications
You must be signed in to change notification settings - Fork 0
/
pipelinePattern.hpp
50 lines (41 loc) · 1.67 KB
/
pipelinePattern.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
#ifndef PIPELINEPATTERN_HPP
#define PIPELINEPATTERN_HPP
#if __cplusplus >= 201103L
#define USE_CPP11
#endif
#ifdef USE_CPP11
template<typename FunctorElementType, typename T>
auto pipeline(const FunctorElementType x, T& t1) -> decltype(t1(x)) {
return t1(x);
}
template<typename FunctorElementType, typename T, typename... T2>
auto pipeline(const FunctorElementType x, T& t1, T2&... t2) -> decltype(pipeline(t1(x), t2...)) {
return pipeline(t1(x), t2...);
}
#else
template<typename FunctorElementType, typename T>
FunctorElementType pipeline(const FunctorElementType x, T& t1) {
return t1(x);
}
template<typename FunctorElementType, typename T, typename T2>
FunctorElementType pipeline(const FunctorElementType x, T& t1, T2& t2) {
return pipeline(t1(x), t2);
}
template<typename FunctorElementType, typename T, typename T2, typename T3>
FunctorElementType pipeline(const FunctorElementType x, T& t1, T2& t2, T3& t3) {
return pipeline(t1(x), t2, t3);
}
template<typename FunctorElementType, typename T, typename T2, typename T3, typename T4>
FunctorElementType pipeline(const FunctorElementType x, T& t1, T2& t2, T3& t3, T4& t4) {
return pipeline(t1(x), t2, t3, t4);
}
template<typename FunctorElementType, typename T, typename T2, typename T3, typename T4, typename T5>
FunctorElementType pipeline(const FunctorElementType x, T& t1, T2& t2, T3& t3, T4& t4, T5& t5) {
return pipeline(t1(x), t2, t3, t4, t5);
}
template<typename FunctorElementType, typename T, typename T2, typename T3, typename T4, typename T5, typename T6>
FunctorElementType pipeline(const FunctorElementType x, T& t1, T2& t2, T3& t3, T4& t4, T5& t5, T6& t6) {
return pipeline(t1(x), t2, t3, t4, t5, t6);
}
#endif
#endif