J. B. Rainsberger comments

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                                            J. B. Rainsberger

Parameterized tests

I'd be happy with an example of how to do it. Google can't seem to find one for me. :)

Parameterized tests

@basvodde Then I suppose that gives me my answer. I'm glad I didn't spend too long looking. :)

concatMap?

> Are you sure that the problem cannot be solved via zipWithIndex or zipWith? Is this a riddle? How do these functions help me flatten a nested collection while preserving...

Checking for null _creates_ a null reference problem

Thank you. I believe I understand your position, but I use the ability to pass `null` for a collaborator as a design tool to alert me to when code might...

Checking for null _creates_ a null reference problem

> To be honest, I would be okay with it to completely remove all the null-checks in favor of performance. Personally, the concrete message does not matter to me if...

Checking for null _creates_ a null reference problem

Simply blindly removing all the `requireNonNull()` statements causes 438 tests to fail. I presume, but haven't carefully verified, that these are all tests that explicitly check for the specific `requireNonNull()`...

Checking for null _creates_ a null reference problem

Indeed. I suppose, if nothing else, I might practise some nice `sed`-related tricks.

Checking for null _creates_ a null reference problem

Quick update: 242 tests passing, 196 to go.

Checking for null _creates_ a null reference problem

I ran out of steam on this one. I don't know whether I'll get back to it. Whatever happens, happens.

Seq.groupBy() preserving insertion order: guaranteed or accident of implementation?

Thanks for following up. Indeed, that's the one I mean. I was left to conclude the same thing, but I wondered whether perhaps someone might see this and think, "Actually,...