This is gonna be a really crappy persuasive argument, but I wanted to give pros and cons of types, and you can decide for yourself 😄
Pros:
More self-documenting
what does this function expect?
how is it gonna use it?
what is it gonna return?
IDEs can provide richer & faster intellisense / code completion / go to definition / inline docs \
Check out XCode for Swift and Visual Studio for C#. Both are 🔥 at this stuff for their languages
Usually less boilerplate-ey tests to write
Some groups of runtime errors are impossible. Some examples:
In some languages, there's a type of array that cannot be empty, so myarray[0] will never throw
Others have literally no exceptions. Functions that might fail will always return a type that can either be a successful value, or an error. You have to deal with both or your code won't compile
Cons:
Some typed languages have horrific compiler error messages if you mess up. Good luck figuring out what you did wrong, let alone fixing it
Typed languages often have a steeper learning curve
There are exceptions on either side, of course!
Go is easy to pick up for lots of folks
... and Ruby has magic in it that can trip folks up pretty early on in their learning
There's math behind type systems (no joke! "Category Theory" on wikipedia). Some languages will force you to learn some of that, even if they don't mean to
Some typed languages have "generics" - being able to write functions that can handle any type. It's handy and powerful, but these functions can be super confusing for the person calling the function
That's all I can think of for now. I think typed languages pay off after you get to a medium sized codebase. I usually reach for them on day 1, because I've been burned a lot by errors in dynamic languages, that typed languages don't have.
Hope this helps!
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This is gonna be a really crappy persuasive argument, but I wanted to give pros and cons of types, and you can decide for yourself 😄
Pros:
myarray[0]will never throwCons:
That's all I can think of for now. I think typed languages pay off after you get to a medium sized codebase. I usually reach for them on day 1, because I've been burned a lot by errors in dynamic languages, that typed languages don't have.
Hope this helps!