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Comment on Try Erlang, a hands-on tutorial

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It’s pretty annoying to have to type “.” after every expression. I’m sure there’s a reason for it in Erlang, but perhaps it would be better for the tutorial to automatically add it for you for the first few sections of the tutorial, until you learn what it really means, and come upon a situation where you finally don’t want it. At the very least, a clearer warning message than “syntax error” should be shown if you forget the dot, in one of those fading black rectangles.

i think it's good that it makes you type it as it quickly becomes a habit and you need the practice when you first start erlang.

However, perhaps he can put a big floating arrow pointing left that just sits there saying "DONT FORGET THE PERIOD" as soon as you hit enter without a period.

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