fork(1) download 
  1. #include<iostream>
  2. #include <vector>
  3.  
  4. template<typename Type, Type v>
  5.   struct integral_constant
  6.   {
  7.     static constexpr Type value =v;
  8.   };
  9.  
  10.   template<typename>
  11.     struct rank
  12.     : public integral_constant<std::size_t, 0> { };
  13.  
  14.   template<template<typename>class Container,typename Type>
  15.     struct rank< Container<Type> >
  16.     : public integral_constant<std::size_t, 1 + rank<Type>::value> { };
  17.  
  18.     template<class T>
  19.    constexpr size_t dimenstions(T)
  20.     {
  21.          return rank<T>::value ;
  22.     }
  23.  
  24. int main()
  25. {
  26.     std::vector<std::vector<std::vector<int>>> vec;
  27.       std::cout<<dimenstions(vec) << '\n';
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0s 3296KB
comments (?)
stdin 
Standard input is empty
stdout 
0
https://ideone.com/jvOkfh
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!