public member function
std::slice::size
<valarray>
Return size of slice
Returns the number of elements in the slice.
Parameters
none
Return value
Number of elements in the slice.
size_t is an unsigned integral type.
Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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// slice::size example
#include <iostream>
#include <valarray>
using namespace std;
int main ()
{
valarray<int> foo (10);
for (int i=0; i<10; ++i) foo[i]=i;
slice slc (0,3,1);
valarray<int> bar = foo[slc];
cout << "slice with a size of " << slc.size() << ":\n";
for (size_t n=0; n<bar.size(); n++)
cout << bar[n] << ' ';
cout << endl;
return 0;
}
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Output:
slice with a size of 3:
0 1 2
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See also
- slice::start
- Return start of slice (public member function)
- slice::stride
- Return stride of slice (public member function)