📝 How to implement the Where method in C#?
The
The function returns an object that implements the
This is syntactic sugar introduced in C# 2.0. In earlier versions you had to create your own
#post
The
yield keyword actually does quite a lot here. It creates a state machine "under the covers" that remembers where you were on each additional cycle of the function and picks up from there.The function returns an object that implements the
IEnumerable<T> interface. If a calling function starts foreaching over this object, the function is called again until it "yields" result based on some predicate.This is syntactic sugar introduced in C# 2.0. In earlier versions you had to create your own
IEnumerable and IEnumerator objects to do stuff like this.#post