I was wondering if there is any concurrency (now or future), or performance benefit to using yield return over returning a list. See the following examples Processing Method void Page_Load() { foreach(var item in GetPostedItems()) Process(item); } using yield return IEnumerable<string> GetPostedItems() { yield return Item1....
I was testing out some synchronization constructs and I noticed something that confused me. When I was enumerating through a collection while writing to it at the same time, it threw an exception (this was expected), but when I looped through the collection using a for loop, it did not. Can someone explain this? I thought that a List ...
This question is not about how to use Enumerators in Ruby 1.9.1 but rather im curious how they work. Here is some code: class Bunk def initialize @h = [*1..100] end def each if !block_given? enum_for(:each) else 0.upto(@h.length) { |i| yield @h[i] }...
It's been asked a couple of times on SO how you can implement a bidirectional enumerator (http://stackoverflow.com/questions/191788/two-directional-list-enumerator-in-net, http://stackoverflow.com/questions/451099/implementing-a-bidirectional-enumerator-in-c). My question is not how (which is trivial for most cases), but why no such type...
Hi, If do: foreach(var a in col) { a.X = 1; } Will my iterator over the collection become invalid? Thanks ...
I'm currently learning F# and I really love the yield! (yield-bang) operator. Not only for its name but also for what it does of course. The yield! operator basically allows you to yield all elements of a sequence from a sequence expression. This is useful for composing enumerators. Since I regularly encounter big, complicated enumerato...
I am a VB.Net developer, kind of newbie in C#, While looking in C# documentation I came through Iterators and Generators, could not fully understand the use, I there anyone who can explain (in vb perceptive; if possible) ...