what is the pattern for modifying a collection in C#

Posted by macias on Stack Overflow See other posts from Stack Overflow or by macias
Published on 2010-03-12T12:03:55Z Indexed on 2010/03/12 12:07 UTC
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c#

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collection

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pattern

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enumerator

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iterator

What is the pattern (best practice) for such problem -- modifying elements (values) in collection?

Conditions:

size of the collection is not changed (no element is deleted or added)
modification is in-place

In C++ it was easy and nice, I just iterated trough a collection and changed the elements. But in C# iterating (using enumerator) is read-only operation (speaking in terms of C++, only const_iterator is available).

So, how to do this in C#?

Example: having sequence of "1,2,3,4" modification is changing it to "1, 2, 8, 9" but not "1, 2, 3" or "1, 2, 3, 4, 5".

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