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> it was easier and quicker to get something done in Cuis than in any other Smalltalk (Squeak, Pharo, VA, Dolphin).

Is this a UI issue or library issue? Are the APIs more ergonomic?

It was easier to understand the libraries - for example I could read and understand the WebClient package in a couple of days and use it confidently.

When I got a DNU (does not understand) I could track the error down to at most 3 levels of stack.

That’s an interesting aspect of API ergonomics - keeping stacks short. The other day I argued for a DRY violation because I thought that adding one more indirection would harm readability and that the pattern was easier to understand than a DRY solution.

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