| 1 | #include <functional> |
|---|---|
| 2 | #include <stdlib.h> |
| 3 | |
| 4 | template<typename ElemType> |
| 5 | ElemType* alloc(size_t count, std::function<ElemType(size_t)> get) |
| 6 | { |
| 7 | ElemType *elems = new ElemType[count]; |
| 8 | for(size_t i = 0; i < count; i++) |
| 9 | elems[i] = get(i); |
| 10 | return elems; |
| 11 | } |
| 12 | |
| 13 | int main (int argc, const char * argv[]) |
| 14 | { |
| 15 | int* data = alloc<int>(count: 5, get: [] (size_t idx) -> int { |
| 16 | return 2 * idx + 1; |
| 17 | }); |
| 18 | return 0; // break here |
| 19 | } |
| 20 | |
| 21 |