unicode-syntax-lib.hsfiles

{-# START_FILE {{name}}.cabal #-}
cabal-version:       2.2

name:                {{name}}
version:             0.1.0.0
-- synopsis:
-- description:
homepage:            https://github.com/{{github-username}}{{^github-username}}githubuser{{/github-username}}/{{name}}#readme
license:             BSD-3-Clause
license-file:        LICENCE
author:              {{author-name}}{{^author-name}}Author name here{{/author-name}}
maintainer:          {{author-email}}{{^author-email}}example@example.com{{/author-email}}
copyright:           {{copyright}}{{^copyright}}{{year}}{{^year}}2024{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}{{/copyright}}
category:            {{category}}{{^category}}Data{{/category}}
build-type:          Simple
extra-source-files:  README.md
                     CHANGELOG.md
library
  hs-source-dirs:      source
  default-language:    Haskell2010
  default-extensions:  UnicodeSyntax
                     , OverloadedStrings
  exposed-modules:     Library
  build-depends:       base
                     , base-unicode-symbols
  ghc-options:         -Wall
                       -Wcompat
                       -Widentities
                       -Wincomplete-record-updates
                       -Wincomplete-uni-patterns
                       -Wmissing-export-lists
                       -Wmissing-home-modules
                       -Wpartial-fields
                       -Wredundant-constraints

{-# START_FILE source/Library.hs #-}
module Library
  ( 𝕋 (..)
  , ϝ
  ) where

data 𝕋 α β
  = ℍ α
  | ℙ β
  | ℚ α β
  deriving (Eq)

ϝ ∷ (α → γ) → (β → γ) → (α → β → γ) → 𝕋 α β → γ
ϝ l _ _ (ℍ a  ) = l a
ϝ _ r _ (ℙ b  ) = r b
ϝ _ _ g (ℚ a b) = g a b

{-# START_FILE README.md #-}
# {{name}}

{-# START_FILE CHANGELOG.md #-}
# Changelog for `{{ name }}`

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to the
[Haskell Package Versioning Policy](https://pvp.haskell.org/).

## Unreleased

## 0.1.0.0 - YYYY-MM-DD

{-# START_FILE LICENCE #-}
Copyright {{year}}{{^year}}2024{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1.  Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.

2.  Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

3.  Neither the name of the copyright holder nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

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