#
# spec file for package perl-Data-Alias
#
# Copyright (c) 2015 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/
#


Name:           perl-Data-Alias
Version:        1.20
Release:        0
%define cpan_name Data-Alias
Summary:        Comprehensive set of aliasing operations
License:        Artistic-1.0 or GPL-1.0+
Group:          Development/Libraries/Perl
Url:            http://search.cpan.org/dist/Data-Alias/
Source0:        http://www.cpan.org/authors/id/Z/ZE/ZEFRAM/%{cpan_name}-%{version}.tar.gz
Source1:        cpanspec.yml
BuildRoot:      %{_tmppath}/%{name}-%{version}-build
BuildRequires:  perl
BuildRequires:  perl-macros
%{perl_requires}

%description
Aliasing is the phenomenon where two different expressions actually refer
to the same thing. Modifying one will modify the other, and if you take a
reference to both, the two values are the same.

Aliasing occurs in Perl for example in for-loops and sub-calls:

    for $var ($x) {
            # here $var is an alias to $x
    }

    foo($y);
    sub foo {
            # here $_[0] is an alias to $y
    }

Data::Alias is a module that allows you to apply "aliasing semantics" to a
section of code, causing aliases to be made wherever Perl would normally
make copies instead. You can use this to improve efficiency and
readability, when compared to using references.

The exact details of aliasing semantics are below under the /DETAILS
manpage.

Perl 5.22 added some support for aliasing to the Perl core. It has a
different syntax, and a different set of operations, from that supplied by
this module; see the perlref/Assigning to References manpage. The core's
aliasing facilities are implemented more robustly than this module and are
better supported. If you can rely on having a sufficiently recent Perl
version, you should prefer to use the core facility rather than use this
module. If you are already using this module and are now using a
sufficiently recent Perl, you should attempt to migrate to the core
facility.

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

%build
%{__perl} Makefile.PL INSTALLDIRS=vendor OPTIMIZE="%{optflags}"
%{__make} %{?_smp_mflags}

%check
%{__make} test

%install
%perl_make_install
%perl_process_packlist
%perl_gen_filelist

%files -f %{name}.files
%defattr(-,root,root,755)
%doc Changes README

%changelog