C#•2d ago

✅ Is the task using reference of the outer enumerable ?

Hi all, I would like to ask whether if the local variable is using the reference of the outer enumerable instead of copying and creating a new array?

var chunks = items.Chunks(1000);
foreach(var chunk in chunks)
{
  var itemChunk = chunk;
  Task.Run(() => {
    Console.WriteLine(itemChunk.Length);
    ...
  });
}

var chunks = items.Chunks(1000);
foreach(var chunk in chunks)
{
  var itemChunk = chunk;
  Task.Run(() => {
    Console.WriteLine(itemChunk.Length);
    ...
  });
}

3 Replies

ero•2d ago

Yes, it uses the reference

JoelQOP•2d ago

Thank you @ero

canton7•2d ago

If it helps, there's no built-in way to copy in IEnumerable, and there's no way to implicitly copy any reference type

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✅ Is the task using reference of the outer enumerable ?

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