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Iterators - language feature

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Example from Java, Pizza, Oracle Java, Deesel:
Iterator iter = list.iterator(); //Iterator<MyType> iter = list.iterator(); in J2SE 5.0 while (iter.hasNext()) { System.out.print(; if (iter.hasNext()) System.out.print(", "); }
Example from Python, Cython:
std::vector<int> items; items.push_back(5); // Append integer value '5' to vector 'items'. items.push_back(2); // Append integer value '2' to vector 'items'. items.push_back(9); // Append integer value '9' to vector 'items'. for (auto it = items.begin(); it != items.end(); ++it) { // Iterate through 'items'. std::cout << *it; // And print value of 'items' for current index. }
Example from Ruby:
(0...42).each do |n| puts n end
Example from MATLAB:
% Define an array of integers myArray = [1,3,5,7,11,13]; for n = myArray % ... do something with n disp(n) % Echo integer to Command Window end
Example from Rust:
for n in 0..42 { println!("{}", n); }
Example from Speedie:
|| items = [5,6,7,8] for i in items printline i

Languages with Iterators include Java, Python, C++, Ruby, MATLAB, Rust, Cython, Speedie, Pizza, Oracle Java, Deesel, Real-Time Concurrent C

Languages without Iterators include progsbase

This question asks: Does this language have iterators?

Read more about Iterators on the web: 1.

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