I am writing few post on different type of delegates and and this post also will be part of it. In this post I am going to write about Predicate delegate which is available from C# 2.0. Following is list of post that I have written about delegates.
- Delegates in C#.
- Multicast delegates in C#.
- Func delegate in C#.
- Action delegate in C#.
Predicate delegate in C#:
As per MSDN predicate delegate is a pointer to a function that returns true or false and takes generics types as argument. It contains following signature.
Predicate<T> – where T is any generic type and this delegate will always return Boolean value. The most common use of a predicate delegate is to searching items in array or list. So let’s take a simple example. Following is code for that.