...but from a how they work, how to use them, how they interact with the language and what they enable you to do point of view, they aren't difficult at all. I

...but from a how they work, how to use them, how they interact with the language and what they enable you to do point of view, they aren't difficult at all. I guess we'll have to agree to disagree here: I have found it challenging to grasp all of these things (even simply within the context of programming language usage). I guess that is, in the end, rather subjective.