TL;DR is its a design pattern. You wont really notice the value of them until you see how they solve the same thing over and over again, such as return value checking hell in c (check the second link)
But anyway my advice is to just ignore it; you'll really need to spend some time in e.g. haskell or something else in order to get familiar with them enough to fully grok them
TL;DR is its a design pattern. You wont really notice the value of them until you see how they solve the same thing over and over again, such as return value checking hell in c (check the second link)
But anyway my advice is to just ignore it; you'll really need to spend some time in e.g. haskell or something else in order to get familiar with them enough to fully grok them