Programming-Idioms

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2016-11-27, 22:20:09

2017-01-25, 09:35:12

Idiom #7 Iterate over list indexes and values

Print each index i with its value x from an array-like collection items

Print each index i with its value x from an array-like collection items

traverse traversal

traverse traversal

#include <iostream>
#include <vector>

#include <iostream>
#include <vector>

for(const auto & item : items) {
  static auto idx = 0;
  std::cout << "Item " << idx++ << " = " << item << std::endl;
}

for(const auto & item : items) {
  static auto idx = 0;
  std::cout << "Item " << idx++ << " = " << item << std::endl;
}

Uses the C++11 features "range based for loop" and "auto"

Uses the C++11 features "range based for loop" and "auto"

http://en.cppreference.com/w/cpp/language/range-for

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