What’s the difference between Sub Routines and Functions

I was curious Sub Routines and Functions appear to perform almost the same thing what is the difference and what are their relative advantages?

Functions return a value that is stored whereas subs don’t. The main difference is not only the return value, it seems that subs are faster than functions (at least in .net) because the MSIL code of subs is much shorter when no value is returned. so overall subs are faster when no value is returned.

MSIL stands for Microsoft Intermediate Language – which is the a programming language that has been standardized later as the Common Intermediate Language

Functions vs Sub Routines

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Mark Brooks a forty something individual working and living in and around Edinburgh

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