
What are iterator, iterable, and iteration? - Stack Overflow
So an iterable is an object that you can get an iterator from. An iterator is an object with a next (Python 2) or __next__ (Python 3) method. Whenever you use a for loop, or map, or a list comprehension, …
What exactly does "iterable" mean in Python? Why isn't my object …
First I want to clarify, I'm NOT asking what is "iterator". This is how the term "iterable" is defined in Python's doc: iterable An object capable of returning its members one at a time.
Python: how to determine if an object is iterable?
Checking isinstance(obj, Iterable) detects classes that are registered as Iterable or that have an __iter__() method, but it does not detect classes that iterate with the __getitem__() method. The only …
java - What is the difference between iterator and iterable and how to ...
Jul 28, 2011 · An Iterable is a simple representation of a series of elements that can be iterated over. It does not have any iteration state such as a "current element". Instead, it has one method that …
python - How to build a basic iterator? - Stack Overflow
If you want to be able to iterate ctr more than once, it needs to be a non-iterator iterable, where it returns a brand new iterator each time __iter__ is invoked. Trying to mix and match (an iterator that is …
How does a Python for loop with iterable work? - Stack Overflow
Sep 5, 2019 · The for statement just defines how iterable and iterator are used. If you are mostly familiar with external iteration, it helps looking at iterable and iterator as well.
How can I tell the difference between an iterator and an iterable?
The iterable is also provided by the user, and for situations where a single pass is enough it will work with an iterator (e.g., created by a generator for simplicity). But it would be nice to safeguard against …
TypeError: 'NoneType' object is not iterable - Stack Overflow
Nov 12, 2023 · For example if data is a value returned from a function, then make sure that function returns an iterable object (such as list, numpy ndarray, pandas DataFrame etc.). If data is the value …
python - collections.Iterable vs typing.Iterable in type annotation and ...
Oct 16, 2018 · The collections iterable is less likely to cause problems as a superclass. So in short, you should use the typing iterable in type annotations, but the collections iterable as a superclass.
Easy way to convert Iterable to Collection - Stack Overflow
Iterable<X> iterable = repo.findAll(); List<X> list = Streamable.of(iterable).toList(); And since you mention being upset, maybe a little background for the decision to use Iterable help as well. It is …