81b790af1d
Ideally we can figure out how to search for single songs by grepping through musicbrainz. For this we kinda need the jsonld results, so this is a first step which visualizes the structure and makes it easy-ish to lazily traverse it. Change-Id: Ieca21674dee8e8c2dacbab4f2f15ccbe067da647 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9743 Reviewed-by: Profpatsch <mail@profpatsch.de> Autosubmit: Profpatsch <mail@profpatsch.de> Tested-by: BuildkiteCI |
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default.nix | ||
my-prelude.cabal | ||
README.md |
My Haskell Prelude
Contains various modules I’ve found useful when writing Haskell.
Contents
A short overview:
MyPrelude.hs
A collection of re-exports and extra functions. This does not replace the Prelude
module from base
, but rather should be imported in addition to Prelude
.
Stuff like bad functions from prelude (partial stuff, or plain horrible stuff) are handled by a custom .hlint
file, which you can find in ../.hlint.yaml.
The common style of haskell they try to enable is what I call “left-to-right Haskell”,
where one mostly prefers forward-chaining operators like &
/<&>
/>>=
to backwards operators like $
/<$>
/<=<
. In addition, all transformation function should follow the scheme of aToB
instead of B.fromA
, e.g. Text.unpack
/Text.pack
-> textToString
/stringToText
. Includes a bunch of text conversion functions one needs all the time, in the same style.
These have been battle-tested in a production codebase of ~30k lines of Haskell.
Label.hs
A very useful collection of anonymous labbeled tuples and enums of size 2 and 3. Assumes GHC >9.2 for RecordDotSyntax
support.
Pretty.hs
Colorful multiline pretty-printing of Haskell values.
Test.hs
A wrapper around hspec
which produces colorful test diffs.
Aeson.hs
Helpers around Json parsing.
Data.Error.Tree
Collect errors (from Data.Error
) into a tree, then display them in a nested fashion. Super useful for e.g. collecting and displaying nested parsing errors.
RunCommand.hs
A module wrapping the process API with some helpful defaults for executing commands and printing what is executed to stderr.