File ghc-both.spec of Package ghc-both

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File ghc-both.spec of Package ghc-both

#
# spec file for package ghc-both
#
# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via http://bugs.opensuse.org/
#

%global pkg_name both
Name:           ghc-%{pkg_name}
Version:        0.1.1.0
Release:        0
Summary:        Like Maybe, but with a different Monoid instance
License:        MIT
Group:          Development/Libraries/Haskell
URL:            https://hackage.haskell.org/package/%{pkg_name}
Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
BuildRequires:  ghc-Cabal-devel
BuildRequires:  ghc-rpm-macros
BuildRequires:  ghc-semigroups-devel
BuildRequires:  ghc-zero-devel

%description
The Monoid instance for Maybe behaves like so:

> instance Monoid a => Monoid (Maybe a) where > mappend (Just x) (Just y) =
Just $ x <> y > mappend (Just x) Nothing = Just x > mappend Nothing (Just y) =
Just y > mappend Nothing Nothing = Nothing > > mempty = Nothing

Both is a newtype wrapper around Maybe providing this instance:

> instance Monoid a => Monoid (Both a) where > mappend (Just x) (Just y) = Just
$ x <> y > mappend _ _ = Nothing > > mempty = Just mempty.

%package devel
Summary:        Haskell %{pkg_name} library development files
Group:          Development/Libraries/Haskell
Requires:       %{name} = %{version}-%{release}
Requires:       ghc-compiler = %{ghc_version}
Requires(post): ghc-compiler = %{ghc_version}
Requires(postun): ghc-compiler = %{ghc_version}

%description devel
This package provides the Haskell %{pkg_name} library development files.

%prep
%setup -q -n %{pkg_name}-%{version}

%build
%ghc_lib_build

%install
%ghc_lib_install

%post devel
%ghc_pkg_recache

%postun devel
%ghc_pkg_recache

%files -f %{name}.files
%doc LICENSE

%files devel -f %{name}-devel.files

%changelog

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