File ghc-zero.spec of Package ghc-zero

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File ghc-zero.spec of Package ghc-zero

#
# spec file for package ghc-zero
#
# 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 zero
Name:           ghc-%{pkg_name}
Version:        0.1.4
Release:        0
Summary:        Semigroups with absorption
License:        BSD-3-Clause
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

%description
'Monoid' is a 'Semigroup' glued with a neutral element called 'mempty'.
In the same idea, 'Zero' is a 'Semigroup' glued with an absorbing element
called 'zero'.

Keep in mind that 'Zero' requires 'Semigroup'. If you have 'Semigroup' defined
to work with 'Monoid', you might end up with no way to implement 'Zero'.
That’s why the 'Semigroup' instance for 'Maybe' is confusing, because it relies
on 'Monoid', and cannot be used with 'Zero'. 'Success' is the 'Zero' equivalent
of 'Maybe' + 'Monoid'.

%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
%doc CHANGELOG.md

%changelog

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