initial commit, hashable instance for ixset-typed

.gitignore

-### Haskell
-dist
-dist-*
-cabal-dev
-*.o
-*.hi
-*.chi
-*.chs.h
-*.dyn_o
-*.dyn_hi
-*.prof
-*.aux
-*.hp
-*.eventlog
-.virtualenv
-.hsenv
-.hpc
-.cabal-sandbox/
-cabal.sandbox.config
-cabal.config
-cabal.project.local
-.ghc.environment.*
-.HTF/
-# Stack
 .stack-work/
-stack.yaml.lock
-
-### IDE/support
-# Vim
-[._]*.s[a-v][a-z]
-[._]*.sw[a-p]
-[._]s[a-v][a-z]
-[._]sw[a-p]
-*~
-tags
-
-# IntellijIDEA
-.idea/
-.ideaHaskellLib/
-*.iml
-
-# Atom
-.haskell-ghc-mod.json
-
-# VS
-.vscode/
-
-# Emacs
-*#
-.dir-locals.el
-TAGS
-
-# other
-.DS_Store
+*~
\ No newline at end of file

.gitlab-ci.yml

+image: nixos/nix:latest
+
+before_script:
+- export LC_ALL=C.UTF-8
+- nix-env -iA nixpkgs.stack
+- nix-env -iA nixpkgs.hlint
+
+stages:
+- lint
+- build
+
+lint:
+  stage: lint
+  script:
+  - hlint .
+
+build:
+  stage: build
+  script:
+  - stack --nix build --ghc-options "-Wall -Werror"

CHANGELOG.md

-# Changelog
-
-`ixset-typed-hashable-instance` uses [PVP Versioning][1].
-The changelog is available [on GitHub][2].
-
-## 0.0.0.0
-
-* Initially created.
-
-[1]: https://pvp.haskell.org
-[2]: https://github.com/homotopic-tech/ixset-typed-hashable-instance/releases

ChangeLog.md

+# Changelog for ixset-typed-hashable-instance
+
+## v0.1.0.0
+
+* Hashabkle instance for ixset-typed.

LICENSE

-MIT License
-
 Copyright (c) 2020 Daniel Firth
 
 Permission is hereby granted, free of charge, to any person obtaining a copy

README.md

 # ixset-typed-hashable-instance
-
-[![Hackage](https://img.shields.io/hackage/v/ixset-typed-hashable-instance.svg?logo=haskell)](https://hackage.haskell.org/package/ixset-typed-hashable-instance)
-[![Stackage Lts](http://stackage.org/package/ixset-typed-hashable-instance/badge/lts)](http://stackage.org/lts/package/ixset-typed-hashable-instance)
-[![Stackage Nightly](http://stackage.org/package/ixset-typed-hashable-instance/badge/nightly)](http://stackage.org/nightly/package/ixset-typed-hashable-instance)
-[![MIT license](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
-
-Hashable orphan instance for ixset-typed.

ixset-typed-hashable-instance.cabal

-cabal-version:       2.4
-name:                ixset-typed-hashable-instance
-version:             0.0.0.0
-synopsis:            Hashable orphan instance for ixset-typed.
-description:         Hashable orphan instance for ixset-typed.
-homepage:            https://github.com/homotopic-tech/ixset-typed-hashable-instance
-bug-reports:         https://github.com/homotopic-tech/ixset-typed-hashable-instance/issues
-license:             MIT
-license-file:        LICENSE
-author:              Daniel Firth
-maintainer:          Daniel Firth <dan.firth@homotopic.tech>
-copyright:           2020 Daniel Firth
-category:            Data Structures
-build-type:          Simple
-extra-doc-files:     README.md
-                     CHANGELOG.md
-tested-with:         GHC == 8.8.3
+cabal-version: 1.12
 
-source-repository head
-  type:                git
-  location:            https://github.com/homotopic-tech/ixset-typed-hashable-instance.git
+-- This file has been generated from package.yaml by hpack version 0.34.2.
+--
+-- see: https://github.com/sol/hpack
 
-common common-options
-  build-depends:       base ^>= 4.13.0.0
-  
-  ghc-options:         -Wall
-                       -Wcompat
-                       -Widentities
-                       -Wincomplete-uni-patterns
-                       -Wincomplete-record-updates
-  if impl(ghc >= 8.0)
-    ghc-options:       -Wredundant-constraints
-  if impl(ghc >= 8.2)
-    ghc-options:       -fhide-source-paths
-  if impl(ghc >= 8.4)
-    ghc-options:       -Wmissing-export-lists
-                       -Wpartial-fields
-  if impl(ghc >= 8.8)
-    ghc-options:       -Wmissing-deriving-strategies
+name:           ixset-typed-hashable-instance
+version:        0.1.0.0
+synopsis:       Hashable instance for ixset-typed.
+description:    Please see the README on GitHub at <https://github.com/githubuser/ixset-typed-hashable-instance#readme>
+category:       Data Structures
+homepage:       https://github.com/githubuser/ixset-typed-hashable-instance#readme
+bug-reports:    https://github.com/githubuser/ixset-typed-hashable-instance/issues
+author:         Daniel Firth
+maintainer:     dan.firth@homotopic.tech
+copyright:      2020 Daniel Firth
+license:        MIT
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
 
-  default-language:    Haskell2010
+source-repository head
+  type: git
+  location: https://github.com/githubuser/ixset-typed-hashable-instance
 
 library
-  import:              common-options
-  hs-source-dirs:      src
-  exposed-modules:     IxsetTypedHashableInstance
+  exposed-modules:
+      Data.IxSet.Typed.Hashable
+      Lib
+  other-modules:
+      Paths_ixset_typed_hashable_instance
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+  default-language: Haskell2010

package.yaml

+name:                ixset-typed-hashable-instance
+version:             0.1.0.0
+github:              https://gitlab.com/homotopic-tech/ixset-typed-hashable-instance
+license:             MIT
+author:              "Daniel Firth"
+maintainer:          "dan.firth@homotopic.tech"
+copyright:           "2020 Daniel Firth"
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+synopsis:            Hashable instance for ixset-typed.
+category:            Data Structures
+
+description:         Please see the README on GitHub at <https://github.com/githubuser/ixset-typed-hashable-instance#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+- hashable
+- ixset-typed
+
+library:
+  source-dirs: src

src/Data/IxSet/Typed/Hashable.hs

+module Data.IxSet.Typed.Hashable where
+
+import Data.IxSet.Typed
+import Hashable
+
+instance (Indexable ixs x, Hashable x) => Hashable (IxSet ixs x) where
+  hashWithSalt n x = n `hashWithSalt` toList x

src/IxsetTypedHashableInstance.hs

-{- |
-Copyright: (c) 2020 Daniel Firth
-SPDX-License-Identifier: MIT
-Maintainer: Daniel Firth <dan.firth@homotopic.tech>
-
-Hashable orphan instance for ixset-typed.
--}
-
-module IxsetTypedHashableInstance
-       ( someFunc
-       ) where
-
-
-someFunc :: IO ()
-someFunc = putStrLn ("someFunc" :: String)

stack.yaml

-resolver: lts-15.5
+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver: lts-16.7
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.3"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

stack.yaml.lock

+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 531932
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/7.yaml
+    sha256: 96ceeddd4fd68b2d430f7695a12eadefee760b7034c88c75d99d0f380f483068
+  original: lts-16.7