CODEWITHSUNDEEP
c#
Miguel
Miguel

Reputation: 3506

Specifying a parameter in C#'s OrderBy methods

Good morning,

Let's imagine I have a list of Tuple elements, and a function taking a String and returning a Double, for example. How can I, from some other method, use the list's OrderBy method with that function calculated only on the first coordinate of each tuple? For example, return List.OrderBy(FunctionTakingString(Tuple'sFirstCoordinate)).First ?

Thank you very much.

Upvotes: 3

Views: 183

Answers (1)

Jon Skeet
Jon Skeet

Reputation: 1502336

Just do:

return list.OrderBy(x => CustomFunction(x.Item1))
           .First();

OrderBy just needs to be provided with a delegate to compute a value from an element. Within the delegate you can do what you want, within reason.

Upvotes: 7

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