We are currently only able to validate that a single field is unique in its table. However, there are use-cases in which a pair or more of attributes should be unique inside the table. In SQL this can be expressed using a constraint such as:

ALTER TABLE recipes ADD CONSTRAINT recipes_unique_name_in_group UNIQUE (group_id, name);

It would be good if we had a function similar to `val

Affected part of DeckDeckGo

• Studio (online editor)

Feature Description

Add an option to "archive" templates in the editor.

• In the templates settings page, add an option, on each template, to "archive" it

• The information "archived" should be persisted in the database aka should be added to the [template.ts](https://github.com

fetchPypi just calls fetchurl underneath but has a slightly different calling syntax in order to construct the URL. It would be great to track these external dependencies using niv. :-)

See #347

Otherwise one might get an error like:

cachix push /nix/store/7i1kqf6x52l1fhqqdmqgggjr0zigggik-cachix-0.1.3/bin/cachix

NoInput "You need to specify store paths either as stdin or as a cli argument"

I'm wondering if it's possible with haskell.nix to generate HIE files for some component(s). These are explained here and allow you to do static analysis of Haskell code. In particular, they can be used to run weeder.

If you pass -fwrite-ide-info to GHC, it will emit these files. By defa