prettyprinter-combinators: Some useful combinators for the prettyprinter package

Versions [RSS]	0.1, 0.1.0.1, 0.1.1, 0.1.1.1, 0.1.2, 0.1.3
Change log	Changelog.md
Dependencies	base (>=4.16 && <5), bimap, bytestring, containers, dlist, enummapset, pretty-show (>=1.6), prettyprinter (>=1.7), syb, template-haskell (>=2.18), text, unordered-containers, vector [details]
Tested with	ghc ==9.2.8, ghc ==9.4.7, ghc ==9.6.3, ghc ==9.8.1, ghc ==9.10.1
License	Apache-2.0
Author	Sergey Vinokurov
Maintainer	Sergey Vinokurov <serg.foo@gmail.com>
Category	User Interfaces, Text
Home page	https://github.com/sergv/prettyprinter-combinators
Source repo	head: git clone https://github.com/sergv/prettyprinter-combinators.git
Uploaded	by SergeyVinokurov at 2024-05-12T15:22:16Z
Distributions	LTSHaskell:0.1.3, NixOS:0.1.3, Stackage:0.1.3
Reverse Dependencies	3 direct, 1 indirect [details]
Downloads	579 total (25 in the last 30 days)
Rating	(no votes yet) [estimated by Bayesian average]
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Status	Docs uploaded by user Build status unknown [no reports yet]

Readme for prettyprinter-combinators-0.1.3

[back to package description]

This is a set of utilities for the Haskell prettyrinter package. Most notable is automatic deriving of Pretty instance from the Generic instance, e.g.

{-# LANGUAGE DeriveGeneric #-}

import Prettyprinter.Generics

data Foo a b = Bar Int | Baz a b
  deriving (Generic)

instance (Pretty a, Pretty b) => Pretty (Foo a b) where
  pretty = ppGeneric

printed :: Doc ann
printed = pretty $ Baz (Bar 10 :: Foo () ()) [1..22]

which would put following into printed: