A functional language (ideally) allows you to write a mathematical function, i.e. It is closely related to abstraction and generalization. Only use function arguments, do not use global.
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25 most modern languages are in varying degree both imperative and functional but to better understand functional programming, it will be best to take an example of pure functional. How can i do so? I guess the difference is when we refer to functional we mean a set of possible functions;
A function that takes n arguments and returns a value.
Functional programming is not about lambdas, it is all about pure functions. In functional programming we build immutable programs by using pure functions. What is the real difference between acceptance tests and functional tests? What are the highlights or aims of each?
So the following broadly promote functional style: Functional interfaces should of course only be used where it is reasonable, and not everywhere. (i mention about pure functions because functional programming is based on. What is the difference between procedural.

The question was difference between function and functional not definition of functional.
Everywhere i read they are ambiguously similar. Since there's no instance this, i cannot call this.forceupdate(). I can make a class an error boundary in react by implementing componentdidcatch. If the program is executed, this function is logically.
Is there a clean approach to making a functional component into an error. This what pure functions are:

