J. B. Rainsberger

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

2

I notice that `Collections.groupBy()` creates a `LinkedHashMap`, which preserves insertion order when classifying items by their new key. Is this intended to be guaranteed or is it merely an accident...

Checking for null _creates_ a null reference problem

16

My apologies if you've already discussed this to death; just let me know. I ran into this today. ``` var fallback = ...; myOption.fold(fallback::g, null); ``` I was in a...

Example: ``` @Test public void shouldApplyThrowingCheckedConsumer() { final CheckedConsumer f = t -> { throw new Error(); }; try { f.accept(null); fail("should have thrown"); } catch(Throwable x) { // ok...

I like `Option.when()`. I would also like `Either.when()`. Please consider it. I would add it myself, but I don't have the energy right now. I might try later. ``` Either.when(boolean...

concatMap?

2

I'm at best an Advanced Beginner, so maybe this is something simple that I merely need to learn. I am aggregating information for nested collections using `flatMap()`. I later want...

- [x] Searched existing issues to avoid creating duplicates. - [x] Confirmed that it can be reproduced in built-in themes without customized css. - [x] Searched http://support.typora.io/ ---- **Describe the...

Allow empty lines and render Markdown inside HTML tags

29

I typically want to write Markdown content inside a `div` or `p`. Currently, I do this: ``` Write a _bunch_ of **wonderful** Markdown! ``` I would love it if Typora...

Document how sort_by() can sort by multiple keys, including an example.

1

Fixes https://github.com/stedolan/jq/issues/2467

Clarify in the manual how map_values() behaves differently from map().

1

Fixes https://github.com/stedolan/jq/issues/2466

Docs: unclear explanation of `map_values()`

3

I love jq. Thank you. I read the section of the Manual on `map()` and `map_values()`, and although I eventually believe I understand it, I found it hard to grasp...