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Merge pull request #5715 from Infinisil/groupBy-primop

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Introduce `builtins.groupBy` primop
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Eelco Dolstra 2021-12-03 13:21:14 +01:00 • committed by GitHub
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doc/manual/src/release-notes/rl-next.md
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@ -5,3 +5,6 @@
* `nix develop` now has a flag `--unpack` to run `unpackPhase`.
* Lists can now be compared lexicographically using the `<` operator.
* New built-in function: `builtins.groupBy`, with the same functionality as
Nixpkgs' `lib.groupBy`, but faster.