skribanto · HackerTrans

3 か月前議論

From my understanding git reflog works on refs and jj op log works on fhe repo as a whole.

E.g. if I rebase some stacked branches then I want to undo it, with git I would reset each branch separately.

With jj you can timetravel the state of the repo in ine command

skribanto

6 か月前議論

rerere can help, but OP probably has their own workflow

skribanto

7 か月前議論

Why couldnt you flatten it?

skribanto

8 か月前議論

swap with last element then truncate at the end

skribanto

9 か月前議論

Well, it can make some chained function composition easier.

  Ick1 result1 = potentiallyNull1();
  Ick2 result2 = (result1 == null) ? null : potentiallyNull2(result1);
  Ick3 result3 = (result2 == null) ? null : potentiallyNull3(result2);

  Ick3 result3 = potentiallyNone1()
    .flatMap(potentiallyNone2)
    .flatMap(potentiallyNone3);

You could maybe move the null check inside the method in the former and it cleans it up a bit, but in the latter you can have methods that are explicitly marked as taking NonNull in their type signature which is nice.

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