code. compile. run. debug. share.
#include <iostream>
#include<map>
#include<string>
#include<vector>
template<typename Value_t, size_t FirstDim, size_t SecondDim>
//auto used here
auto FooTakes2D_ArrayRef_to_Print(Value_t (&array2d)[FirstDim][SecondDim]) -> decltype(array2d)
{
for(size_t i=0; i<FirstDim; ++i)
{
for(size_t j=0; j<SecondDim; ++j)
{
std::cout<<array2d[i][j]<<' ';
}
std::cout<<"\n";
}
return array2d;
}
int main()
{
double arr_d[][3]= { {1,2,3}, {4,5,6} };
//auto used here
auto arr=FooTakes2D_ArrayRef_to_Print(arr_d);
return 0;
}
Compiling Program...
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