Archive for November 2014

Why is dynamic typing so popular?

I have worked with a couple of statically typed languages and a few dynamically typed languages. I have noticed that when using statically typed languages I get all kinds of IDE support. That IDE support makes me really productive. It also really helps me to move stuff around without breaking things too badly (i.e. refactoring). Tests also help with ensuring that I didn’t break things. Compile times are usually sub-second due to partial compilation. Auto complete allows me reduce typing down to a two or three keystrokes per identifier (e.g. class name, variable name). Documentation and type info for the method or variable often pops-up automatically. This allows me to stay focused in the IDE.

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