What is the difference between #import and #include in Objective-C?

Question

What are the differences between #import and #include in Objective-C and are there times where you should use one over the other? Is one deprecated?

I was reading th

Answer 1

#include + guard == #import

#include guardWiki - macro guard, header guard or file guard prevents to double include a header by a preprocessor that can slow down a build time

The next step is

.pch[About] => @import[About]

[#import in .h or .m]