Testing is not the same as TDD.
Eric Elliott
1023

On the other hand, it’s possible to have types and not use them well. I wrote Haskell code based around Map Text Text which was rather error prone. I refactored it to use a record with specific fields, which reduced a great many errors.

Likewise, a Java program void doThing() isn’t really typed in any meaningful sense, and String doThing(String config) isn’t much better.

Since “Presence of unit tests doesn’t ensure good testing” is a sound counter to the study, I’d suppose that “Presence of types doesn’t ensure good typing” is a valid counterargument to the one you used.

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