Bump dependencies

README.md

@@ -11,7 +11,7 @@ I'd much rather ask an object if it was in a list. It just feels like it's the
 right way round:
 
 ```ruby
-thing.in?('Egg', 'Bacon', 'Sausage')
+thing.in?(['Egg', 'Bacon', 'Sausage'])
 ```
 
 ## Installation
@@ -37,7 +37,14 @@ Require Inny and then start testing your objects:
 ```ruby
 require 'inny'
 
-object.in?('Foo', 'Bar')
+object.in?(['Foo', 'Bar'])
+
+'Foo'.in?('Foobar')
+
+5.in?(1..10)
+
+list = [1, 2, 3]
+puts "Yay!" if 2.in?(list)
 ```
 
 ## Development
@@ -48,7 +55,7 @@ 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/[USERNAME]/inny. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](contributor-covenant.org) code of conduct.
+Bug reports and pull requests are welcome on GitHub at https://github.com/danbee/inny. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](contributor-covenant.org) code of conduct.
 
 
 ## License

Rakefile

@@ -4,7 +4,7 @@ require "rake/testtask"
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
-  t.test_files = FileList['test/**/*_test.rb']
+  t.test_files = FileList["test/**/*_test.rb"]
 end
 
-task :default => :test
+task default: :test

inny.gemspec

@@ -1,33 +1,35 @@
 # coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'inny/version'
+require "inny/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = "inny"
-  spec.version       = Inny::VERSION
-  spec.authors       = ["Dan Barber"]
-  spec.email         = ["github@danbarber.me"]
+  spec.name = "inny"
+  spec.version = Inny::VERSION
+  spec.authors = ["Dan Barber"]
+  spec.email = ["github@danbarber.me"]
 
-  spec.summary       = %q{Better syntax for testing whether an object is in a list}
-  spec.description   = %q{Better syntax for testing whether an object is in a list}
-  spec.homepage      = "https://github.com/danbee/inny"
-  spec.license       = "MIT"
+  spec.summary = "Better syntax for testing whether an object is in a list"
+  spec.description = "Better syntax for testing whether an object is in a list"
+  spec.homepage = "https://github.com/danbee/inny"
+  spec.license = "MIT"
 
   # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
   # delete this section to allow pushing this gem to any host.
   if spec.respond_to?(:metadata)
-    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
+    spec.metadata["allowed_push_host"] = "https://rubygems.org"
   else
     raise "RubyGems 2.0 or newer is required to protect against public gem pushes."
   end
 
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files =
+    `git ls-files -z`.split("\x0")
+      .reject { |f| f.match(%r{^(test|spec|features)/}) }
+  spec.bindir = "exe"
+  spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.10"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "bundler", "~> 2.4"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "minitest"
 end

lib/inny.rb

@@ -1,8 +1,12 @@
 require "inny/version"
 
 module Inny
-  def in?(*list)
-    list.include?(self)
+  def in?(object)
+    object.include?(self)
+  rescue NoMethodError
+    raise ArgumentError.new(
+            "The parameter passed to #in? must respond to #include?"
+          )
   end
 end
 

lib/inny/version.rb

@@ -1,3 +1,3 @@
 module Inny
-  VERSION = "1.0.0"
+  VERSION = "3.0.0"
 end

test/inny_test.rb

@@ -1,4 +1,4 @@
-require 'test_helper'
+require "test_helper"
 
 class InnyTest < Minitest::Test
   def test_that_it_has_a_version_number
@@ -6,19 +6,24 @@ class InnyTest < Minitest::Test
   end
 
   def test_it_finds_integers
-    assert 8.in?(1, 2, 3) == false
-    assert 8.in?(7, 8, 9) == true
+    assert 8.in?([7, 8, 9])
+    refute 8.in?([1, 2, 3])
   end
 
   def test_it_finds_strings
-    assert 'Egg'.in?('Apple', 'Orange', 'Banana') == false
-    assert 'Egg'.in?('Bacon', 'Sausage', 'Egg') == true
+    assert "Egg".in?(%w[Bacon Sausage Egg])
+    refute "Egg".in?(%w[Apple Orange Banana])
+  end
+
+  def test_it_finds_substrings
+    assert "bar".in?("Foobar")
+    refute "egg".in?("Foobar")
   end
 
   def test_it_finds_things_in_an_array
-    list = ['John', 'Jimmy', 'Robert']
+    list = %w[John Jimmy Robert]
 
-    assert 'John Paul'.in?(*list) == false
-    assert 'Jimmy'.in?(*list) == true
+    assert "Jimmy".in?(list)
+    refute "John Paul".in?(list)
   end
 end

test/test_helper.rb

@@ -1,4 +1,4 @@
-$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
-require 'inny'
+$LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
+require "inny"
 
-require 'minitest/autorun'
+require "minitest/autorun"