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