Prepare for a 1.0.0 release

CHANGELOG.md

@@ -0,0 +1,19 @@
+# Set Changelog
+
+## 1.0.0 (Unreleased)
+
+This is the first release of set as a gem.  Here lists the changes since the version bundled with Ruby 2.7.
+
+* Breaking Changes
+  * SortedSet has been removed for dependency and performance reasons. [#2][] ([@knu][])
+
+* Enhancements
+  * Set#join is added as a shorthand for `.to_a.join`. [#4][] ([@marcandre][])
+  * Set#<=> is added. [#5][] ([@marcandre][])
+
+[#2]: https://github.com/ruby/set/pull/2
+[#4]: https://github.com/ruby/set/pull/4
+[#5]: https://github.com/ruby/set/pull/5
+
+[@knu]: https://github.com/knu
+[@marcandre]: https://github.com/marcandre

LICENSE.txt

@@ -0,0 +1,24 @@
+Copyright (c) 2002-2020 Akinori MUSHA
+
+All rights reserved.
+
+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.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.

README.md

@@ -22,7 +22,16 @@ Or install it yourself as:
 
 ## Usage
 
-TODO: Write usage instructions here
+```ruby
+require 'set'
+s1 = Set[1, 2]                        #=> #<Set: {1, 2}>
+s2 = [1, 2].to_set                    #=> #<Set: {1, 2}>
+s1 == s2                              #=> true
+s1.add("foo")                         #=> #<Set: {1, 2, "foo"}>
+s1.merge([2, 6])                      #=> #<Set: {1, 2, "foo", 6}>
+s1.subset?(s2)                        #=> false
+s2.subset?(s1)                        #=> true
+```
 
 ## Development
 
@@ -32,5 +41,10 @@ To install this gem onto your local machine, run `bundle exec rake install`. To
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/hsbset.
+Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/set.
+
+Feature requests should also go to https://bugs.ruby-lang.org/ for wider audience and discussion.
+
+## License
 
+The gem is available as open source under either the terms of the [2-Clause BSD License](https://opensource.org/licenses/BSD-2-Clause).  When bundled with Ruby, you can distribute/modify this program under the same terms of [Ruby](https://www.ruby-lang.org/en/about/license.txt).

set.gemspec

@@ -1,16 +1,18 @@
 Gem::Specification.new do |spec|
   spec.name          = "set"
-  spec.version       = "0.1.0"
+  spec.version       = "1.0.0"
   spec.authors       = ["Akinori MUSHA"]
   spec.email         = ["[email protected]"]
 
   spec.summary       = %q{Provides a class to deal with collections of unordered, unique values}
   spec.description   = %q{Provides a class to deal with collections of unordered, unique values}
   spec.homepage      = "https://github.com/ruby/set"
+  spec.license       = "BSD-2-Clause"
   spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["changelog_uri"] = "https://github.com/ruby/set/blob/v#{spec.version}/CHANGELOG.md"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.