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In some situations, having a proof that the fold always iterates over at least one element makes the whole thing easier to handle.
e.g. I have a list of elements, and I want to say “if the element …
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**Is your feature request related to a problem? Please describe.**
The constraint optics are defined using `optics` instead of the types from `lens`. I think it is doing this because it's a lighter w…
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```bash
[cody@nixos:~/someproject]$ nix-build -A someproject.components.all
building '/nix/store/p8h40znajcf3fx15pxji0vqxqrxfn0yl-git-ls-files.drv'...
trace: [alex-plan-to-nix-pkgs] cabal new-confi…
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### Neovim version (nvim -v)
v0.7.0
### Vim (not Nvim) behaves the same?
no,
### Operating system/version
Windows 10 Home 21H1
### Terminal name/version
Command Prompt Version 10.0.19043.2006
…
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I noticed while working on #444 that a number of packages in the registry point to the same repository.
For example, we uploaded several releases for the `profunctors` library by `@joneshf`, but it…
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I would like things like:
``` purescript
class (forall a. Show (f a)) => Show1 f
```
and maybe even
``` purescript
instance showFix :: (forall a. (Show a) => Show (f a)) => Show (Fix f)
```
paf31 updated
2 years ago
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I suggest adding new utility functions to `Data.Traversable` that allow monadic effects when traversing the data with accumulator:
```
mapAccumM :: (Monad m, Traversable t) => (a -> b -> m (a, c)…
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Please complete the following information:
- Name: PureScript
- Version: 0.15.4
- Release Note/Changelog: https://github.com/purescript/purescript/releases/tag/v0.15.4
The current version is 0…
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I'm currently in a situation where a project is developed by a team. Some people use `stack` and others `cabal`. We use `gen-hie` as a pre-commit hook, so it would be nice if it can support both `--ca…
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It has over 1500 dependencies, pulling in a gazillion Python, Rust, Haskell, Java and X11 packages for non-obvious reasons:
```
# nix build -f pkgs/top-level/release.nix manual --no-net --dry-run
…